OPENSUSE-SU-2026:21317-1 Security update for libxml2

This update for libxml2 fixes the following issues - CVE-2026-6732: crafted XSD-validated document can cause a denial of service bsc1262719. - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in --shell mode bsc1269790...

SUSE CVE-2026-11979

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 overflow intern...

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...

CVE-2026-11979

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...

Linux Distros Unpatched Vulnerability : CVE-2026-11979

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user inp...

CVE-2026-11979

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 overflow intern...

UBUNTU-CVE-2026-11979

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 overflow intern...

EUVD-2026-40092

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 overflow intern...

CVE-2026-11979

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 overflow intern...

CVE-2026-11979 Stack-Based Buffer Overflow in libxml2

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 overflow intern...

CVE-2026-11979

CVE-2026-11979 affects libxml2 in the xmlcatalog utility when run in --shell mode. The usershell() function reads input into fixed-size stack buffers without proper bounds checking, allowing an overly long input line to overflow buffers (command, arg, argv) and cause stack memory corruption. Cons...

CVE-2026-11979

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 overflow intern...

PT-2026-53257

Name of the Vulnerable Software and Affected Versions libxml2 affected versions not specified Description The xmlcatalog utility is susceptible to multiple stack-based buffer overflows when operating in --shell mode. The usershell function processes user input using fixed-size stack buffers witho...

MGASA-2026-0027 Updated libxml2 packages fix security vulnerabilities

xmlcatalog xmlParseSGMLCatalog recursion. CVE-2025-8732 Unbounded relaxng include recursion leading to stack overflow. CVE-2026-0989 Denial of service via uncontrolled recursion in xml catalog processing. CVE-2026-0990 Denial of service via crafted xml catalogs. CVE-2026-0992...

Updated libxml2 packages fix security vulnerabilities

xmlcatalog xmlParseSGMLCatalog recursion. CVE-2025-8732 Unbounded relaxng include recursion leading to stack overflow. CVE-2026-0989 Denial of service via uncontrolled recursion in xml catalog processing. CVE-2026-0990 Denial of service via crafted xml catalogs. CVE-2026-0992...

libxml2 xmlcatalog xmlParseSGMLCatalog recursion

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CVE-2025-8732

A flaw was found in libxml2. The xmlParseSGMLCatalog function within the xmlcatalog component exhibits uncontrolled recursion when processing a specially crafted catalog file. A local attacker can trigger this recursive behavior, which can lead to an application level denial of service. Mitigatio...

CVE-2025-8732

A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function xmlParseSGMLCatalog of the component xmlcatalog. The manipulation leads to uncontrolled recursion. Attacking locally is a requirement. The exploit has been disclosed to...

DEBIAN-CVE-2025-8732

A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function xmlParseSGMLCatalog of the component xmlcatalog. The manipulation leads to uncontrolled recursion. Attacking locally is a requirement. The exploit has been disclosed to...

PT-2025-32375

Name of the Vulnerable Software and Affected Versions libxml2 versions up to 2.14.5 Description A vulnerability exists in libxml2 related to uncontrolled recursion within the xmlParseSGMLCatalog function of the xmlcatalog component. The issue can be triggered with untrusted SGML catalogs. The...