The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:23342 advisory.

    * python: Invalid value for OpenSSL API may cause Buffer over-read when NPN is used (CVE-2024-5642)
      * cpython: Python HTMLParser quadratic complexity (CVE-2025-6069)
      * cpython: python: Python zipfile End of Central Directory (EOCD) Locator record offset not checked     (CVE-2025-8291)
      * python: Quadratic complexity in os.path.expandvars() with user-controlled template (CVE-2025-6075)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-6407a7ee7e advisory.

    This is the eleventh maintenance release of Python 3.13



Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23530 advisory.

    Python is an interpreted, interactive, object-oriented programming language, which includes modules,     classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to     many system calls and libraries, as well as to various windowing systems.

    Security Fix(es):

    * python: Invalid value for OpenSSL API may cause Buffer over-read when NPN is used (CVE-2024-5642)

    * python: Virtual environment (venv) activation scripts don't quote paths (CVE-2024-9287)

    * python: Improper validation of IPv6 and IPvFuture addresses (CVE-2024-11168)

    * python: cpython: URL parser allowed square brackets in domain names (CVE-2025-0938)

    * cpython: python: CPython DecodeError Handling Vulnerability (CVE-2025-4516)

    * cpython: Tarfile extracts filtered members when errorlevel=0 (CVE-2025-4435)

    * cpython: python: Extraction filter bypass for linking outside extraction directory (CVE-2025-4330)

    * python: cpython: Arbitrary writes via tarfile realpath overflow (CVE-2025-4517)

    * cpython: python: Bypassing extraction filter to create symlinks to arbitrary targets outside extraction     directory (CVE-2025-4138)

    * cpython: Python HTMLParser quadratic complexity (CVE-2025-6069)

    * cpython: python: Python zipfile End of Central Directory (EOCD) Locator record offset not checked     (CVE-2025-8291)

    * python: Quadratic complexity in os.path.expandvars() with user-controlled template (CVE-2025-6075)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:1001 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2024-5642:
    CPython 3.9 and earlier doesn't disallow configuring an empty list ([]) for     SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API. This results in a     buffer over-read when NPN is used (see CVE-2024-5535 for OpenSSL). This vulnerability is of low severity     due to NPN being not widely used and specifying an empty list likely being uncommon in-practice (typically     a protocol name would be configured).

    CVE-2024-9287:
    A vulnerability has been found in the CPython venv module and CLI where path names provided when creating     a virtual environment were not quoted properly, allowing the creator to inject commands into virtual     environment activation scripts (ie source venv/bin/activate). This means that attacker-controlled     virtual environments are able to run commands when the virtual environment is activated. Virtual     environments which are not created by an attacker or which aren't activated before being used (ie     ./venv/bin/python) are not affected.

    CVE-2024-11168:
    The urllib.parse.urlsplit() and urlparse() functions improperly validated bracketed hosts ([]), allowing     hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled     SSRF if a URL is processed by more than one URL parser.

    CVE-2025-0938:
    The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that     included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be     used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in differential     parsing across the Python URL parser and other specification-compliant URL parsers.

    CVE-2025-4138:
    Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination     directory, and the modification of some file metadata.


    You are affected by this vulnerability if using the tarfilemodule to extract untrusted tar archives     using TarFile.extractall()or TarFile.extract()using the filter=parameter with a value of dataor     tar. See the tarfile  extraction filters documentation     https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.

    Note that for Python 3.14 or later the default value of filter=changed from no filtering to data, so     if you are relying on this new default behavior then your usage is also affected.

    Note that none of these vulnerabilities significantly affect the installation of source distributions     which are tar archives as source distributions already allow arbitrary code execution during the build     process. However when evaluating source distributions it's important to avoid installing source     distributions with suspicious links.

    CVE-2025-4330:
    Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination     directory, and the modification of some file metadata.


    You are affected by this vulnerability if using the tarfilemodule to extract untrusted tar archives     using TarFile.extractall()or TarFile.extract()using the filter=parameter with a value of dataor     tar. See the tarfile  extraction filters documentation     https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.

    Note that for Python 3.14 or later the default value of filter=changed from no filtering to data, so     if you are relying on this new default behavior then your usage is also affected.

    Note that none of these vulnerabilities significantly affect the installation of source distributions     which are tar archives as source distributions already allow arbitrary code execution during the build     process. However when evaluating source distributions it's important to avoid installing source     distributions with suspicious links.

    CVE-2025-4435:
    When using a TarFile.errorlevel = 0and extracting with a filter the documented behavior is that any     filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel =     0in affected versions is that the member would still be extracted and not skipped.

    CVE-2025-4516:
    There is an issue in CPython when using bytes.decode(unicode_escape, error=ignore|replace). If you are     not using the unicode_escape encoding or an error handler your usage is not affected. To work-around     this issue you may stop using the error= handler and instead wrap the bytes.decode() call in a try-except     catching the DecodeError.

    CVE-2025-4517:
    Allows arbitrary filesystem writes outside the extraction directory during extraction with filter=data.


    You are affected by this vulnerability if using the tarfilemodule to extract untrusted tar archives     using TarFile.extractall()or TarFile.extract()using the filter=parameter with a value of dataor     tar. See the tarfile  extraction filters documentation     https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information.

    Note that for Python 3.14 or later the default value of filter=changed from no filtering to data, so     if you are relying on this new default behavior then your usage is also affected.

    Note that none of these vulnerabilities significantly affect the installation of source distributions     which are tar archives as source distributions already allow arbitrary code execution during the build     process. However when evaluating source distributions it's important to avoid installing source     distributions with suspicious links.

    CVE-2025-6069:
    The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted     malformed inputs potentially leading to amplified denial-of-service.

    CVE-2025-6075:
    If the value passed to os.path.expandvars() is user-controlled a     performance degradation is possible when expanding environment     variables.

    CVE-2025-8291:
    The 'zipfile' module would not check the validity of the ZIP64 End of     Central Directory (EOCD) Locator record offset value would not be used to     locate the ZIP64 EOCD record, instead the ZIP64 EOCD record would be     assumed to be the previous record in the ZIP archive. This could be abused     to create ZIP archives that are handled differently by the 'zipfile' module     compared to other ZIP implementations.


    Remediation maintains this behavior, but checks that the offset specified     in the ZIP64 EOCD Locator record matches the expected value.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0663-1 advisory.

    - CVE-2025-6075: Fixed performance degradation when using os.path.expandvars() (bsc#1252974).
    - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using     http.cookies.Morsel. (bsc#1257031)
    - CVE-2026-0865: Fixed a bug where a user-controlled header containing newlines can allow injecting HTTP     headers. (bsc#1257042)
    - CVE-2025-15366: Fixed a bug wherer a user-controlled command can allow additional commands injected     using newlines. (bsc#1257044)
    - CVE-2025-15367: Fixed control characters which may allow the injection of additional commands.
    (bsc#1257041)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ac5dd35f2d advisory.

    Update to 3.12.13

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the python3 package has been released.

The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1107-1 advisory.

    Update to Python 3.12.13:

    - CVE-2025-6075: quadratic complexity in os.path.expandvars() (bsc#1252974).
    - CVE-2025-11468: header injection with carefully crafted inputs (bsc#1257029).
    - CVE-2025-12084: quadratic complexity in xml.minidom node ID cache clearing (bsc#1254997).
    - CVE-2025-13836: potential memory denial of service in the http.client module (bsc#1254400).
    - CVE-2025-13837: potential memory denial of service in the plistlib module (bsc#1254401).
    - CVE-2025-15282: user-controlled data URLs parsed may allow injecting headers (bsc#1257046).
    - CVE-2026-0672: control characters in http.cookies.Morsel fields and values (bsc#1257031).
    - CVE-2026-0865: C0 control characters within wsgiref.headers.Headers fields, values, and parameters     (bsc#1257042).
    - CVE-2026-1299: header injection when an email is serialized due to improper newline quoting     (bsc#1257181).
    - CVE-2026-2297: validation bypass via incorrectly handled hook in FileLoader (bsc#1259240).

    Changelog:
     - gh-144125: BytesGenerator will now refuse to serialize      (write) headers that are unsafely folded or delimited; see      verify_generated_headers. (Contributed by Bas Bloemsaat and      Petr Viktorin in gh-121650) (bsc#1257181, CVE-2026-1299).
     - gh-143935: Fixed a bug in the folding of comments when      flattening an email message using a modern email policy.
     Comments consisting of a very long sequence of non-foldable      characters could trigger a forced line wrap that omitted      the required leading space on the continuation line,      causing the remainder of the comment to be interpreted as      a new header field. This enabled header injection with      carefully crafted inputs (bsc#1257029 CVE-2025-11468).
     - gh-143925: Reject control characters in data: URL media      types (bsc#1257046, CVE-2025-15282).
     - gh-143919: Reject control characters in http.cookies.Morsel      fields and values (bsc#1257031, CVE-2026-0672).
     - gh-143916: Reject C0 control characters within      wsgiref.headers.Headers fields, values, and parameters      (bsc#1257042, CVE-2026-0865).
     - gh-142145: Remove quadratic behavior in xml.minidom node ID      cache clearing. In order to do this without breaking      existing users, we also add the ownerDocument attribute to      xml.dom.minidom elements and attributes created by directly      instantiating the Element or Attr class. Note that this way      of creating nodes is not supported; creator functions like      xml.dom.Document.documentElement() should be used instead      (bsc#1254997, CVE-2025-12084).
     - gh-137836: Add support of the 'plaintext' element, RAWTEXT      elements 'xmp', 'iframe', 'noembed' and 'noframes', and      optionally RAWTEXT element 'noscript' in      html.parser.HTMLParser.
     - gh-136063: email.message: ensure linear complexity for      legacy HTTP parameters parsing. Patch by B?n?dikt Tran.
     - gh-136065: Fix quadratic complexity in      os.path.expandvars() (bsc#1252974, CVE-2025-6075).
     - gh-119451: Fix a potential memory denial of service in the      http.client module. When connecting to a malicious server,      it could cause an arbitrary amount of memory to be      allocated. This could have led to symptoms including      a MemoryError, swapping, out of memory (OOM) killed      processes or containers, or even system crashes      (CVE-2025-13836, bsc#1254400).
     - gh-119452: Fix a potential memory denial of service in the      http.server module. When a malicious user is connected to      the CGI server on Windows, it could cause an arbitrary      amount of memory to be allocated. This could have led to      symptoms including a MemoryError, swapping, out of memory      (OOM) killed processes or containers, or even system      crashes.
     - gh-119342: Fix a potential memory denial of service in the      plistlib module. When reading a Plist file received from      untrusted source, it could cause an arbitrary amount of      memory to be allocated. This could have led to symptoms      including a MemoryError, swapping, out of memory (OOM)      killed processes or containers, or even system crashes      (bsc#1254401, CVE-2025-13837).
     - Library
     - gh-144833: Fixed a use-after-free in ssl when SSL_new()      returns NULL in newPySSLSocket(). The error was reported      via a dangling pointer after the object had already been      freed.
     - gh-144363: Update bundled libexpat to 2.7.4
     - gh-90949: Add SetAllocTrackerActivationThreshold() and      SetAllocTrackerMaximumAmplification() to xmlparser objects      to prevent use of disproportional amounts of dynamic memory      from within an Expat parser. Patch by B?n?dikt Tran.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1117-1 advisory.

    Update to python 3.11.15:

    - CVE-2025-6075: quadratic complexity in os.path.expandvars() (bsc#1252974).
    - CVE-2025-11468: header injection with carefully crafted inputs (bsc#1257029).
    - CVE-2025-12084: quadratic complexity in xml.minidom node ID cache clearing (bsc#1254997).
    - CVE-2025-13836: potential memory denial of service in the http.client module (bsc#1254400).
    - CVE-2025-13837: potential memory denial of service in the plistlib module (bsc#1254401).
    - CVE-2025-15282: user-controlled data URLs parsed may allow injecting headers (bsc#1257046).
    - CVE-2026-0672: control characters in http.cookies.Morsel fields and values (bsc#1257031).
    - CVE-2026-0865: C0 control characters within wsgiref.headers.Headers fields, values, and parameters     (bsc#1257042).
    - CVE-2026-1299: header injection when an email is serialized due to improper newline quoting     (bsc#1257181).
    - CVE-2026-2297: validation bypass via incorrectly handled hook in FileLoader (bsc#1259240).

    Changelog:

     - gh-144125: BytesGenerator will now refuse to serialize      (write) headers that are unsafely folded or delimited; see      verify_generated_headers. (Contributed by Bas Bloemsaat and      Petr Viktorin in gh-121650) (bsc#1257181, CVE-2026-1299).
     - gh-143935: Fixed a bug in the folding of comments when      flattening an email message using a modern email policy.
     Comments consisting of a very long sequence of non-foldable      characters could trigger a forced line wrap that omitted      the required leading space on the continuation line,      causing the remainder of the comment to be interpreted as      a new header field. This enabled header injection with      carefully crafted inputs (bsc#1257029 CVE-2025-11468).
     - gh-143925: Reject control characters in data: URL media      types (bsc#1257046, CVE-2025-15282).
     - gh-143919: Reject control characters in http.cookies.Morsel      fields and values (bsc#1257031, CVE-2026-0672).
     - gh-143916: Reject C0 control characters within      wsgiref.headers.Headers fields, values, and parameters      (bsc#1257042, CVE-2026-0865).
     - gh-142145: Remove quadratic behavior in xml.minidom node ID      cache clearing. In order to do this without breaking      existing users, we also add the ownerDocument attribute to      xml.dom.minidom elements and attributes created by directly      instantiating the Element or Attr class. Note that this way      of creating nodes is not supported; creator functions like      xml.dom.Document.documentElement() should be used instead      (bsc#1254997, CVE-2025-12084).
     - gh-137836: Add support of the 'plaintext' element, RAWTEXT      elements 'xmp', 'iframe', 'noembed' and 'noframes', and      optionally RAWTEXT element 'noscript' in      html.parser.HTMLParser.
     - gh-136063: email.message: ensure linear complexity for      legacy HTTP parameters parsing. Patch by B?n?dikt Tran.
     - gh-136065: Fix quadratic complexity in      os.path.expandvars() (bsc#1252974, CVE-2025-6075).
     - gh-119451: Fix a potential memory denial of service in the      http.client module. When connecting to a malicious server,      it could cause an arbitrary amount of memory to be      allocated. This could have led to symptoms including      a MemoryError, swapping, out of memory (OOM) killed      processes or containers, or even system crashes      (CVE-2025-13836, bsc#1254400).
     - gh-119452: Fix a potential memory denial of service in the      http.server module. When a malicious user is connected to      the CGI server on Windows, it could cause an arbitrary      amount of memory to be allocated. This could have led to      symptoms including a MemoryError, swapping, out of memory      (OOM) killed processes or containers, or even system      crashes.
     - gh-119342: Fix a potential memory denial of service in the      plistlib module. When reading a Plist file received from      untrusted source, it could cause an arbitrary amount of      memory to be allocated. This could have led to symptoms      including a MemoryError, swapping, out of memory (OOM)      killed processes or containers, or even system crashes      (bsc#1254401, CVE-2025-13837).
     - Library
     - gh-144833: Fixed a use-after-free in ssl when SSL_new()      returns NULL in newPySSLSocket(). The error was reported      via a dangling pointer after the object had already been      freed.
     - gh-144363: Update bundled libexpat to 2.7.4
     - gh-90949: Add SetAllocTrackerActivationThreshold() and      SetAllocTrackerMaximumAmplification() to xmlparser objects      to prevent use of disproportional amounts of dynamic memory      from within an Expat parser. Patch by B?n?dikt Tran.
     - Core and Builtins
     - gh-120384: Fix an array out of bounds crash in      list_ass_subscript, which could be invoked via some      specificly tailored input: including concurrent      modification of a list object, where one thread assigns      a slice and another clears it.
     - gh-120298: Fix use-after free in list_richcompare_impl      which can be invoked via some specificly tailored evil      input.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the python3 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

    If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when     expanding environment variables.(CVE-2025-6075)

    The email module, specifically the 'BytesGenerator' class, didn't properly quote newlines for email     headers when serializing an email message allowing for header injection when an email  is serialized. This     is only applicable if using 'LiteralHeader' writing headers that don't respect email folding rules, the     new behavior will reject the incorrectly folded headers in 'BytesGenerator'.(CVE-2026-1299)

    When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP     headers into messages. Patch rejects all control characters within cookie names, values, and     parameters.(CVE-2026-0672)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization python3 security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-19177 advisory.

    - Security fixes for CVE-2026-1502, CVE-2026-4786, CVE-2026-6100, CVE-2026-2297, CVE-2026-3644,     CVE-2026-4224     Resolves: RHEL-168159, RHEL-167917
    - Security fixes for CVE-2025-6075, CVE-2025-13837, CVE-2025-15282, CVE-2025-59375, CVE-2026-0672     Related: RHEL-168159, RHEL-167917
    - Security fix for CVE-2026-4519     Resolves: RHEL-158126

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when     expanding environment variables. (CVE-2025-6075)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
279620	AlmaLinux 9 : python3.9 (ALSA-2025:23342)	Nessus	Alma Linux Local Security Checks	2025/12/23	2026/2/24	low
278735	Fedora 43 : python3.13 (2025-6407a7ee7e)	Nessus	Fedora Local Security Checks	2025/12/15	2026/2/24	medium
279048	RHEL 8 : python39:3.9 (RHSA-2025:23530)	Nessus	Red Hat Local Security Checks	2025/12/18	2026/2/23	medium
284642	TencentOS Server 3: python39:3.9 (TSSA-2025:1001)	Nessus	Tencent Local Security Checks	2026/1/14	2026/2/24	medium
300196	SUSE SLES12: libpython2_7-1_0 / libpython2_7-1_0-32bit / python / python-32bit / etc (SUSE-SU-2026:0663-1)	Nessus	SuSE Local Security Checks	2026/3/2	2026/6/26	medium
302131	Fedora 43 : python3.12 (2026-ac5dd35f2d)	Nessus	Fedora Local Security Checks	2026/3/13	2026/3/13	medium
314596	Photon OS 4.0: Python3 PHSA-2026-4.0-1014	Nessus	PhotonOS Local Security Checks	2026/5/14	2026/6/10	high
304121	SUSE SLES15 / openSUSE 15 Security Update : python312 (SUSE-SU-2026:1107-1)	Nessus	SuSE Local Security Checks	2026/3/28	2026/4/30	medium
304133	SUSE SLES15: libpython3_11-1_0 / python311 / python311-base / python311-curses / etc (SUSE-SU-2026:1117-1)	Nessus	SuSE Local Security Checks	2026/3/28	2026/6/26	medium
319355	EulerOS Virtualization 2.12.1 : python3 (EulerOS-SA-2026-2085)	Nessus	Huawei Local Security Checks	2026/6/6	2026/6/6	medium
322181	Oracle Linux 9 : python3.12 (ELSA-2026-19177)	Nessus	Oracle Linux Local Security Checks	2026/6/23	2026/6/23	critical
272130	Linux Distros Unpatched Vulnerability : CVE-2025-6075	Nessus	Misc.	2025/10/31	2026/7/25	low

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