Python 3.5 has now entered 'security fixes only' mode, and as such the only changes since Python 3.5.4 are security fixes.

https://www.python.org/downloads/release/python-358/

https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-8

Security fix for CVE-2019-9740, CVE-2019-10160, CVE-2019-16935, CVE-2019-18348 , CVE-2019-16056.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for python3 fixes the following issue :

CVE-2019-18348: Fixed a CRLF injection via the host part of the url passed to urlopen(). Now an InvalidURL exception is raised (bsc#1155094).

CVE-2019-9674: Improved the documentation to reflect the dangers of zip-bombs (bsc#1162825).

CVE-2020-8492: Fixed a regular expression in urllib that was prone to denial of service via HTTP (bsc#1162367).

Fixed an issue with version missmatch (bsc#1162224).

Rename idle icons to idle3 in order to not conflict with python2 variant of the package. (bsc#1165894)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6891-1 advisory.

    It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this     issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04 LTS.
    (CVE-2015-20107)

    It was discovered that Python incorrectly used regular expressions vulnerable to catastrophic     backtracking. A remote attacker could possibly use this issue to cause a denial of service. This issue     only affected Ubuntu 14.04 LTS. (CVE-2018-1060, CVE-2018-1061)

    It was discovered that Python failed to initialize Expats hash salt. A remote attacker could possibly     use this issue to cause hash collisions, leading to a denial of service. This issue only affected Ubuntu     14.04 LTS. (CVE-2018-14647)

    It was discovered that Python incorrectly handled certain pickle files. An attacker could possibly use     this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2018-20406)

    It was discovered that Python incorrectly validated the domain when handling cookies. An attacker could     possibly trick Python into sending cookies to the wrong domain. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2018-20852)

    Jonathan Birch and Panayiotis Panayiotou discovered that Python incorrectly handled Unicode encoding     during NFKC normalization. An attacker could possibly use this issue to obtain sensitive information. This     issue only affected Ubuntu 14.04 LTS. (CVE-2019-9636, CVE-2019-10160)

    It was discovered that Python incorrectly parsed certain email addresses. A remote attacker could possibly     use this issue to trick Python applications into accepting email addresses that should be denied. This     issue only affected Ubuntu 14.04 LTS. (CVE-2019-16056)

    It was discovered that the Python documentation XML-RPC server incorrectly handled certain fields. A     remote attacker could use this issue to execute a cross-site scripting (XSS) attack. This issue only     affected Ubuntu 14.04 LTS. (CVE-2019-16935)

    It was discovered that Python documentation had a misleading information. A security issue could be     possibly caused by wrong assumptions of this information. This issue only affected Ubuntu 14.04 LTS and     Ubuntu 18.04 LTS. (CVE-2019-17514)

    It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker     could use this issue to perform CRLF injection. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04     LTS. (CVE-2019-18348)

    It was discovered that Python incorrectly handled certain TAR archives. An attacker could possibly use     this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04 LTS.
    (CVE-2019-20907)

    Colin Read and Nicolas Edet discovered that Python incorrectly handled parsing certain X509 certificates.
    An attacker could possibly use this issue to cause Python to crash, resulting in a denial of service. This     issue only affected Ubuntu 14.04 LTS. (CVE-2019-5010)

    It was discovered that incorrectly handled certain ZIP files. An attacker could possibly use this issue to     cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2019-9674)

    It was discovered that Python incorrectly handled certain urls. A remote attacker could possibly use this     issue to perform CRLF injection attacks. This issue only affected Ubuntu 14.04 LTS. (CVE-2019-9740,     CVE-2019-9947)

    Sihoon Lee discovered that Python incorrectly handled the local_file: scheme. A remote attacker could     possibly use this issue to bypass blocklist meschanisms. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2019-9948)

    It was discovered that Python incorrectly handled certain IP values. An attacker could possibly use this     issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04 LTS.
    (CVE-2020-14422)

    It was discovered that Python incorrectly handled certain character sequences. A remote attacker could     possibly use this issue to perform CRLF injection. This issue only affected Ubuntu 14.04 LTS and Ubuntu     18.04 LTS. (CVE-2020-26116)

    It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this     issue to execute arbitrary code or cause a denial of service. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2020-27619, CVE-2021-3177)

    It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use     this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-8492)

    It was discovered that the Python stdlib ipaddress API incorrectly handled octal strings. A remote     attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain     access restrictions. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-29921)

    David Schwrer discovered that Python incorrectly handled certain inputs. An attacker could possibly use     this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3426)

    It was discovered that Python incorrectly handled certain RFCs. An attacker could possibly use this issue     to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2021-3733)

    It was discovered that Python incorrectly handled certain server responses. An attacker could possibly use     this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2021-3737)

    It was discovered that Python incorrectly handled certain FTP requests. An attacker could possibly use     this issue to expose sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04     LTS. (CVE-2021-4189)

    It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this     issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04 LTS.
    (CVE-2022-0391)

    Devin Jeanpierre discovered that Python incorrectly handled sockets when the multiprocessing module was     being used. A local attacker could possibly use this issue to execute arbitrary code and escalate     privileges. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-42919)

    It was discovered that Python incorrectly handled certain inputs. If a user or an automated system were     tricked into running a specially crafted input, a remote attacker could possibly use this issue to cause a     denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 18.04 LTS and Ubuntu 22.04 LTS.
    (CVE-2022-45061, CVE-2023-24329)

    It was discovered that Python incorrectly handled certain scripts. An attacker could possibly use this     issue to execute arbitrary code or cause a crash. This issue only affected Ubuntu 14.04 LTS and Ubuntu     18.04 LTS. (CVE-2022-48560)

    It was discovered that Python incorrectly handled certain plist files. If a user or an automated system     were tricked into processing a specially crafted plist file, an attacker could possibly use this issue to     consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu     18.04 LTS. (CVE-2022-48564)

    It was discovered that Python did not properly handle XML entity declarations in plist files. An attacker     could possibly use this vulnerability to perform an XML External Entity (XXE) injection, resulting in a     denial of service or information disclosure. This issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04     LTS. (CVE-2022-48565)

    It was discovered that Python did not properly provide constant-time processing for a crypto operation. An     attacker could possibly use this issue to perform a timing attack and recover sensitive information. This     issue only affected Ubuntu 14.04 LTS and Ubuntu 18.04 LTS. (CVE-2022-48566)

    It was discovered that Python instances of ssl.SSLSocket were vulnerable to a bypass of the TLS handshake.
    An attacker could possibly use this issue to cause applications to treat unauthenticated received data     before TLS handshake as authenticated data after TLS handshake. This issue only affected Ubuntu 14.04 LTS,     Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-40217)

    It was discovered that Python incorrectly handled null bytes when normalizing pathnames. An attacker could     possibly use this issue to bypass certain filename checks. This issue only affected Ubuntu 22.04 LTS.
    (CVE-2023-41105)

    It was discovered that Python incorrectly handled privilege with certain parameters. An attacker could     possibly use this issue to maintain the original processes' groups before starting the new process. This     issue only affected Ubuntu 23.10. (CVE-2023-6507)

    It was discovered that Python incorrectly handled symlinks in temp files. An attacker could possibly use     this issue to modify the permissions of files. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04     LTS, Ubuntu 22.04 LTS and Ubuntu 23.10. (CVE-2023-6597)

    It was discovered that Python incorrectly handled certain crafted zip files. An attacker could possibly     use this issue to crash the program, resulting in a denial of service. (CVE-2024-0450)

Tenable has extracted the preceding description block directly from the Ubuntu 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 MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-772:01 advisory.

    * python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)
      * python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)
      * python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)
      * python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py     (CVE-2019-20916)
      * python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS     (CVE-2020-8492)
      * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)
      * python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

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

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

Python reports :

bpo-39603: Prevent http header injection by rejecting control characters in http.client.putrequest(...).

bpo-29778: Ensure python3.dll is loaded from correct locations when Python is embedded (CVE-2020-15523).

bpo-41004: CVE-2020-14422: The __hash__() methods of ipaddress.IPv4Interface and ipaddress.IPv6Interface incorrectly generated constant hash values of 32 and 128 respectively. This resulted in always causing hash collisions. The fix uses hash() to generate hash values for the tuple of (address, mask length, network address).

bpo-39073: Disallow CR or LF in email.headerregistry.Address arguments to guard against header injection attacks.

bpo-38576: Disallow control characters in hostnames in http.client, addressing CVE-2019-18348. Such potentially malicious header injection URLs now cause a InvalidURL to be raised.

bpo-39503: CVE-2020-8492: The AbstractBasicAuthHandler class of the urllib.request module uses an inefficient regular expression which can be exploited by an attacker to cause a denial of service. Fix the regex to prevent the catastrophic backtracking. Vulnerability reported by Ben Caller and Matt Schwager.

bpo-38945: Newline characters have been escaped when performing uu encoding to prevent them from overflowing into to content section of the encoded file. This prevents malicious or accidental modification of data during the decoding process.

bpo-38804: Fixes a ReDoS vulnerability in http.cookiejar. Patch by Ben Caller.

bpo-39017: Avoid infinite loop when reading specially crafted TAR files using the tarfile module (CVE-2019-20907).

bpo-41183: Use 3072 RSA keys and SHA-256 signature for test certs and keys.

bpo-39503: AbstractBasicAuthHandler of urllib.request now parses all WWW-Authenticate HTTP headers and accepts multiple challenges per header: use the realm of the first Basic challenge.

An update of the python3 package has been released.

# Python 3.6.11

Python 3.6.11 is the latest security fix release of Python 3.6.

  - bpo-39073: Disallow CR or LF in     email.headerregistry.Address arguments to guard against     header injection attacks.

  - bpo-38576: Disallow control characters in hostnames in     http.client, addressing CVE-2019-18348. Such potentially     malicious header injection URLs now cause a InvalidURL     to be raised.

  - bpo-39503: CVE-2020-8492: The AbstractBasicAuthHandler     class of the urllib.request module uses an inefficient     regular expression which can be exploited by an attacker     to cause a denial of service. Fix the regex to prevent     the catastrophic backtracking. Vulnerability reported by     Ben Caller and Matt Schwager.

Also fix a regression with `distutils.sysconfig.get_config_var('LIBPL')` value in Fedora specific patches.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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

  - An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument     to urllib.request.urlopen with \r\n (specifically in the host component of a URL) followed by an HTTP     header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue.
    (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1;
    v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4,     v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1. (CVE-2019-18348)

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

This update for python36 fixes the following issues :

CVE-2019-18348: Fixed a CRLF injection via the host part of the url passed to urlopen() (bsc#1155094)

CVE-2019-20916: Fixed a directory traversal in _download_http_url() (bsc#1176262).

CVE-2020-27619: Fixed an issue where the CJK codec tests call eval() on content retrieved via HTTP (bsc#1178009).

CVE-2020-8492: Fixed a regular expression in urrlib that was prone to denial of service via HTTP (bsc#1162367).

Working-around missing python-packaging dependency in python-Sphinx is not necessary anymore (bsc#1174571).

Build of python3 documentation is not independent on the version of Sphinx(bsc#1179630).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for python fixes the following issues :

python27 was upgraded to 2.7.18

CVE-2021-23336: Fixed a potential web cache poisoning by using a semicolon in query parameters use of semicolon as a query string separator (bsc#1182379).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for python3 fixes the following issues :

  - Fixed CVE-2020-27619 (bsc#1178009), where     Lib/test/multibytecodec_support calls eval() on content     retrieved via HTTP.

  - Change setuptools and pip version numbers according to     new wheels

  - Handful of changes to make python36 compatible with     SLE15 and SLE12 (jsc#ECO-2799, jsc#SLE-13738)

  - add triplets for mips-r6 and riscv

  - RISC-V needs CTYPES_PASS_BY_REF_HACK

Update to 3.6.12 (bsc#1179193)

  - Ensure python3.dll is loaded from correct locations when     Python is embedded

  - The __hash__() methods of ipaddress.IPv4Interface and     ipaddress.IPv6Interface incorrectly generated constant     hash values of 32 and 128 respectively. This resulted in     always causing hash collisions. The fix uses hash() to     generate hash values for the tuple of (address, mask     length, network address).

  - Prevent http header injection by rejecting control     characters in http.client.putrequest(&hellip;).

  - Unpickling invalid NEWOBJ_EX opcode with the C     implementation raises now UnpicklingError instead of     crashing.

  - Avoid infinite loop when reading specially crafted TAR     files using the tarfile module

  - This release also fixes CVE-2020-26116 (bsc#1177211) and     CVE-2019-20907 (bsc#1174091).

Update to 3.6.11 :

  - Disallow CR or LF in email.headerregistry. Address     arguments to guard against header injection attacks.

  - Disallow control characters in hostnames in http.client,     addressing CVE-2019-18348. Such potentially malicious     header injection URLs now cause a InvalidURL to be     raised. (bsc#1155094)

  - CVE-2020-8492: The AbstractBasicAuthHandler class of the     urllib.request module uses an inefficient regular     expression which can be exploited by an attacker to     cause a denial of service. Fix the regex to prevent the     catastrophic backtracking. Vulnerability reported by Ben     Caller and Matt Schwager.

This update was imported from the SUSE:SLE-15:Update update project.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4285 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.

    The following packages have been upgraded to a later upstream version: rh-python36-python (3.6.12).
    (BZ#1873080)

    Security Fix(es):

    * python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)

    * python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)

    * python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)

    * python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py     (CVE-2019-20916)

    * python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)

    * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

    * python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

    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.

    Bug Fix(es):

    * rh-python36-python-pip: Contains multiple bundled libraries, and has no bundled() provides (BZ#1774951)

    * Allow rh-python36-python-pip to use system CA certificate Trust (BZ#1826520)

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 remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-818:02 advisory.

    * python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)
      * python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)
      * python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)
      * python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py     (CVE-2019-20916)
      * python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS     (CVE-2020-8492)
      * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)
      * python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

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

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
130784	Fedora 31 : python35 (2019-57462fa10d)	Nessus	Fedora Local Security Checks	2019/11/12	2024/4/12	critical
135197	SUSE SLES12 Security Update : python3 (SUSE-SU-2020:0854-1)	Nessus	SuSE Local Security Checks	2020/4/3	2024/3/19	medium
202187	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : Python vulnerabilities (USN-6891-1)	Nessus	Ubuntu Local Security Checks	2024/7/11	2025/9/3	critical
291633	MiracleLinux 7 : rh-python36-python-pip-9.0.1-5.el7, rh-python36-python-3.6.12-1.el7, rh-python36-python-virtualenv-15.1.0-3.el7 (AXSA:2020-772:01)	Nessus	Miracle Linux Local Security Checks	2026/1/19	2026/1/19	high
140678	FreeBSD : Python -- multiple vulnerabilities (2cb21232-fb32-11ea-a929-a4bf014bf5f7)	Nessus	FreeBSD Local Security Checks	2020/9/21	2024/2/20	high
135309	Photon OS 2.0: Python3 PHSA-2020-2.0-0223	Nessus	PhotonOS Local Security Checks	2020/4/10	2024/7/22	medium
138368	Fedora 31 : python36 (2020-ea5bdbcc90)	Nessus	Fedora Local Security Checks	2020/7/10	2024/3/1	medium
222759	Linux Distros Unpatched Vulnerability : CVE-2019-18348	Nessus	Misc.	2025/3/4	2026/9/2	medium
144443	SUSE SLES12 Security Update : python36 (SUSE-SU-2020:3865-1)	Nessus	SuSE Local Security Checks	2020/12/18	2024/2/1	critical
147849	SUSE SLES12 Security Update : python (SUSE-SU-2021:0794-1)	Nessus	SuSE Local Security Checks	2021/3/17	2024/1/9	medium
145326	openSUSE Security Update : python3 (openSUSE-2020-2332)	Nessus	SuSE Local Security Checks	2021/1/25	2024/1/26	critical
145389	openSUSE Security Update : python3 (openSUSE-2020-2333)	Nessus	SuSE Local Security Checks	2021/1/25	2024/1/26	critical
130797	Fedora 29 : python35 (2019-d202cda4f8)	Nessus	Fedora Local Security Checks	2019/11/12	2024/4/12	critical
170302	RHEL 6 / 7 : rh-python36 (RHSA-2020:4285)	Nessus	Red Hat Local Security Checks	2023/1/23	2024/11/7	high
293867	MiracleLinux 4 : rh-python36-python-pip-9.0.1-5.AXS4, rh-python36-python-3.6.12-1.AXS4, rh-python36-python-virtualenv-15.1.0-3.AXS4 (AXSA:2020-818:02)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high

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