CVE-2021-3156

CVE-2021-3156 In this document we include all the knowledge necessary in order to understand the code in this repository and why it works. All the explaination is based on the report created by QUALYS. There more forms of exploitation are explained. Requirements The vulnerable versions of sudo ar...

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...

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...

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...

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...

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...

OliveTin OS Command Injection via Custom regex: Argument Type Bypassing Shell Safety Check

Summary OliveTin's checkShellArgumentSafety function maintains a blocklist of argument types unsafe for Shell mode actions, but does not include regex:-prefixed types. Because regex: support was added independently via typeSafetyCheckRegex, any Shell mode action using a regex:-typed argument...

CVE-2026-67438

OliveTin gives access to predefined shell commands from a web interface. From 3000.2.0 until 3000.17.0, the service/internal/executor/arguments.go checkShellArgumentSafety function does not treat regex: custom argument types as unsafe for Shell mode actions, allowing values that pass...

CVE-2026-67438

OliveTin gives access to predefined shell commands from a web interface. From 3000.2.0 until 3000.17.0, the service/internal/executor/arguments.go checkShellArgumentSafety function does not treat regex: custom argument types as unsafe for Shell mode actions, allowing values that pass...

PT-2026-65910

Name of the Vulnerable Software and Affected Versions OliveTin versions 3000.2.0 through 3000.16.0 Description OS command injection is possible because the checkShellArgumentSafety function in service/internal/executor/arguments.go fails to treat regex: custom argument types as unsafe for Shell...

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 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...

SUSE SLES15: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-tools / etc (SUSE-SU-2026:3096-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3096-1 advisory. This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog utility when running in...

SUSE 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 SLED15: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-tools / etc (SUSE-SU-2026:3097-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3097-1 advisory. This update for libxml2 fixes the following issue - CVE-2026-11979: stack-based buffer overflows in the xmlcatalog...

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. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...