libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow

A flaw was found in libxml2, specifically within the xmlcatalog utility when operating in shell mode. An attacker can exploit multiple stack-based buffer overflows by providing an excessively long input line. This leads to memory corruption, which may cause the application to crash or potentially...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow

A flaw was found in libxml2, specifically within the xmlcatalog utility when operating in shell mode. An attacker can exploit multiple stack-based buffer overflows by providing an excessively long input line. This leads to memory corruption, which may cause the application to crash or potentially...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

libxml2 security update

An update is available for libxml2. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libxml2 library is a development toolbox providing the implementation of...

RLSA-2026:60394 Moderate: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow CVE-2026-11979 For more details about the security issues, including the impact, a CVSS score,...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow

A flaw was found in libxml2, specifically within the xmlcatalog utility when operating in shell mode. An attacker can exploit multiple stack-based buffer overflows by providing an excessively long input line. This leads to memory corruption, which may cause the application to crash or potentially...

RHEL 10 : libxml2 (RHSA-2026:60394)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:60394 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: libxml2: Arbitrary cod...

ALSA-2026:60394 Moderate: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow CVE-2026-11979 For more details about the security issues, including the impact, a CVSS score,...

Unity Linux 20.1070e Security Update: libxml2 (UTSA-2026-099459)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099459 advisory. libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input...

Amazon Linux 2023 : libxml2, libxml2-devel, libxml2-static (ALAS2023-2026-1992)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1992 advisory. libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without...

Medium: libxml2

Issue Overview: libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can...

Amazon Linux 2 : libxml2, --advisory ALAS2-2026-3827 (ALAS-2026-3827)

The version of libxml2 installed on the remote host is prior to 2.9.1-6. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3827 advisory. libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershel...

Medium: libxml2

Issue Overview: libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can...

SUSE-SU-2026:22894-1 Security update for libxml2

This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in --shell mode bsc1269790...

SUSE-SU-2026:22806-1 Security update for libxml2

This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in --shell mode bsc1269790...

OESA-2026-3039 libxml2 security update

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX strea...

SUSE SLES15: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-tools / etc (SUSE-SU-2026:3095-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3095-1 advisory. This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in...

SUSE SLES12: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-doc / etc (SUSE-SU-2026:3111-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:3111-1 advisory. This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in --shell mode...