According to the versions of the libxml2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
    This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is 'I don't think these issues are     critical enough to warrant a CVE ID ... because an attacker typically can't control when memory     allocations fail.' (CVE-2023-45322)

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

An update of the libxml2 package has been released.

According to the versions of the libxml2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader     interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to     an xmlValidatePopElement use-after-free.(CVE-2024-25062)

    libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
    This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is 'I don't think these issues are     critical enough to warrant a CVE ID ... because an attacker typically can't control when memory     allocations fail.'(CVE-2023-45322)

Tenable has extracted the preceding description block directly from the EulerOS libxml2 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 Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4064 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4064-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                         Tobias Frost     February 22, 2025                             https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : libxml2     Version        : 2.9.10+dfsg-6.7+deb11u6     CVE ID         : CVE-2022-49043 CVE-2023-39615 CVE-2023-45322 CVE-2024-25062                      CVE-2024-56171 CVE-2025-24928 CVE-2025-27113     Debian Bug     : 1051230 1053629 1063234 1094238 1098320 1098321 1098322

    Multiple vulnerabilities have been found in libxml2, a library providing     support to read, modify and write XML and HTML files. These     vulnerabilities could potentially lead to denial of servie or other     unintended behaviors.

    CVE-2022-49043

        xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a         use-after-free.

    CVE-2023-39615

        libxml2 v2.11.0 was discovered to contain an out-of-bounds read via         the xmlSAX2StartElement() function at /libxml2/SAX2.c. This         vulnerability allows attackers to cause a Denial of Service (DoS)         via supplying a crafted XML file. NOTE: the vendor's position is         that the product does not support the legacy SAX1 interface with         custom callbacks; there is a crash even without crafted input.

    CVE-2023-45322

        libxml2 through 2.11.5 has a use-after-free that can only occur         after a certain memory allocation fails. This occurs in         xmlUnlinkNode in tree.c. NOTE: the vendor's position is I don't         think these issues are critical enough to warrant a CVE ID ...
        because an attacker typically can't control when memory allocations         fail.

    CVE-2024-25062

        An issue was discovered in libxml2 before 2.11.7 and 2.12.x before         2.12.5. When using the XML Reader interface with DTD validation and         XInclude expansion enabled, processing crafted XML documents can         lead to an xmlValidatePopElement use-after-free.

    CVE-2024-56171

        libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free         in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in         xmlschemas.c. To exploit this, a crafted XML document must be         validated against an XML schema with certain identity constraints,         or a crafted XML schema must be used.

    CVE-2025-24928

        libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based         buffer overflow in xmlSnprintfElements in valid.c. To exploit this,         DTD validation must occur for an untrusted document or untrusted         DTD. NOTE: this is similar to CVE-2017-9047.

    CVE-2025-27113

        libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer         dereference in xmlPatMatch in pattern.c.

    For Debian 11 bullseye, these problems have been fixed in version     2.9.10+dfsg-6.7+deb11u6.

    We recommend that you upgrade your libxml2 packages.

    For the detailed security status of libxml2 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/libxml2

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian 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.

  - libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
    This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is I don't think these issues are     critical enough to warrant a CVE ID ... because an attacker typically can't control when memory     allocations fail. (CVE-2023-45322)

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

The remote NewStart CGSL host, running version MAIN 7.02, has libxml2 packages installed that are affected by multiple vulnerabilities:

  - In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API     (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and     xmlPythonFileReadRaw because of a difference between bytes and characters. (CVE-2025-32414)

  - libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
    This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is I don't think these issues are     critical enough to warrant a CVE ID ... because an attacker typically can't control when memory     allocations fail. (CVE-2023-45322)

  - An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader     interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to     an xmlValidatePopElement use-after-free. (CVE-2024-25062)

  - In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce     events for external entities even if custom SAX handlers try to override entity content (by setting     checked). This makes classic XXE attacks possible. (CVE-2024-40896)

  - libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and     xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated     against an XML schema with certain identity constraints, or a crafted XML schema must be used.
    (CVE-2024-56171)

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 libxml2 installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-45322 advisory.

  - libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails.
    This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is I don't think these issues are     critical enough to warrant a CVE ID ... because an attacker typically can't control when memory     allocations fail. (CVE-2023-45322)

Note that Nessus has not tested for this issue 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
192380	EulerOS Virtualization 2.11.1 : libxml2 (EulerOS-SA-2024-1403)	Nessus	Huawei Local Security Checks	2024/3/21	2024/3/21	medium
203646	Photon OS 4.0: Libxml2 PHSA-2023-4.0-0492	Nessus	PhotonOS Local Security Checks	2024/7/23	2024/7/23	medium
207612	EulerOS 2.0 SP8 : libxml2 (EulerOS-SA-2024-2478)	Nessus	Huawei Local Security Checks	2024/9/24	2025/2/21	high
216663	Debian dla-4064 : libxml2 - security update	Nessus	Debian Local Security Checks	2025/2/22	2025/10/17	critical
260357	Linux Distros Unpatched Vulnerability : CVE-2023-45322	Nessus	Misc.	2025/9/2	2025/9/30	medium
242784	NewStart CGSL MAIN 7.02 : libxml2 Multiple Vulnerabilities (NS-SA-2025-0106)	Nessus	NewStart CGSL Local Security Checks	2025/7/25	2025/7/25	high
188365	EulerOS Virtualization 2.9.1 : libxml2 (EulerOS-SA-2024-1042)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
192070	EulerOS Virtualization 2.10.0 : libxml2 (EulerOS-SA-2024-1384)	Nessus	Huawei Local Security Checks	2024/3/14	2024/3/14	medium
204628	Photon OS 3.0: Libxml2 PHSA-2023-3.0-0671	Nessus	PhotonOS Local Security Checks	2024/7/24	2024/7/24	medium
214798	CBL Mariner 2.0 Security Update: libxml2 (CVE-2023-45322)	Nessus	MarinerOS Local Security Checks	2025/1/30	2025/1/30	medium

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