libxml2: Out-of-Bounds Read in libxml2

A flaw was found in libxml2. This vulnerability allows out-of-bounds memory access due to incorrect handling of return values in xmlPythonFileRead and xmlPythonFileReadRaw. This is caused by a mismatch between the length of the file in bytes vs the length in characters, as unicode characters can...

libxml: Type confusion leads to Denial of service (DoS)

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined...

libxml: Heap use after free (UAF) leads to Denial of service (DoS)

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's...

libxml2: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

libxml2: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

Important: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CBL Mariner 2.0 Security Update: libxml2 (CVE-2025-49796)

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-2025-49796 advisory. - A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can...

RHEL 8 : libxml2 (RHSA-2025:12239)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12239 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Out-of-Bounds...

Azure Linux 3.0 Security Update: libxml2 (CVE-2025-49796)

The version of libxml2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-49796 advisory. - A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can...

CBL Mariner 2.0 Security Update: libxml2 (CVE-2025-6170)

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-2025-6170 advisory. - A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When...

RockyLinux 8 : libxml2 (RLSA-2025:10698)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:10698 advisory. libxml: Heap use after free UAF leads to Denial of service DoS CVE-2025-49794 libxml: Type confusion leads to Denial of service DoS CVE-2025-49796...

RHEL 8 : libxml2 (RHSA-2025:12237)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12237 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Out-of-Bounds...

Important: libxml2

Issue Overview: libxml: Heap use after free UAF leads to Denial of service DoS CVE-2025-49794 libxml: Type confusion leads to Denial of service DoS CVE-2025-49796 Affected Packages: libxml2 Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the...

Azure Linux 3.0 Security Update: libxml2 (CVE-2025-6021)

The version of libxml2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-6021 advisory. - A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations ca...

RHEL 7 : libxml2 (RHSA-2025:12240)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12240 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Out-of-Bounds...

RockyLinux 9 : libxml2 (RLSA-2025:2679)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:2679 advisory. libxml2: Use-After-Free in libxml2 CVE-2024-56171 libxml2: Stack-based buffer overflow in xmlSnprintfElements of libxml2 CVE-2025-24928 Tenable has...

RHEL 8 : libxml2 (RHSA-2025:12241)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12241 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Out-of-Bounds...

CBL Mariner 2.0 Security Update: libxml2 (CVE-2025-49794)

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-2025-49794 advisory. - A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under...

Azure Linux 3.0 Security Update: libxml2 (CVE-2025-6170)

The version of libxml2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-6170 advisory. - A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When...

Azure Linux 3.0 Security Update: libxml2 (CVE-2025-49794)

The version of libxml2 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-49794 advisory. - A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under...