OESA-2026-4115 xmlrpc-c security update

XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. Security Fixes: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop...

OPENSUSE-SU-2026:21945-1 Security update for expat

This update for expat fixes the following issues: - CVE-2026-41080: crafted XML document can cause a denial of service bsc1262263. - CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XM...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2023-002128)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002128 advisory. lookup in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity Linux...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2023-002133)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002133 advisory. In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too fe...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2023-002131)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002131 advisory. addBinding in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2023-002130)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002130 advisory. buildmodel in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity...

OESA-2026-3960 xmlrpc-c security update

XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. Security Fixes: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop...

OESA-2026-3958 xmlrpc-c security update

XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. Security Fixes: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop...

OESA-2026-3959 xmlrpc-c security update

XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. Security Fixes: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop...

OESA-2026-3957 xmlrpc-c security update

XML-RPC is a quick-and-easy way to make procedure calls over the Internet. It converts the procedure call into an XML document, sends it to a remote server using HTTP, and gets back the response as XML. Security Fixes: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop...

libexpat -- Improper Handling of Unicode Encoding

https://github.com/libexpat/libexpat/pull/1282 reports: Expat before 2.8.5 fails to validate that a high surrogate in UTF-16 input is followed by a low surrogate, allowing malformed UTF-16 sequences to be accepted. Attackers can supply UTF-16 encoded XML containing lone high surrogates that consu...

Security Bulletin: IBM Tivoli Monitoring's libexpat library is affected by a security vulnerability.

Summary A vulnerable version of libexpat library which is included as part of IBM Tivoli Monitoring ITM have been remediated. Vulnerability Details CVEID:CVE-2026-41080 DESCRIPTION: libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document...

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in DataStage on Cloud Pak for Data. Vulnerability Details CVEID:CVE-2026-24842 DESCRIPTION: node-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, and Expat

In libexpat through version 2.4.9, there was a use-after-free issue caused by excessive destruction of a shared DTD in the XMLExternalEntityParserCreate function, especially in out-of-memory situations...

Important: expat

Issue Overview: libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XMLParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur, CVE-2026-50219 libexpat before 2.8.2 lacks handler...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2023-001403)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-001403 advisory. In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations...

RockyLinux 8 : expat (RLSA-2026:64809)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:64809 advisory. expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking CVE-2026-50219 expat: libexpat: Arbitrary Code Execution via...

RockyLinux 9 : expat (RLSA-2026:64812)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:64812 advisory. expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking CVE-2026-50219 expat: libexpat: Arbitrary Code Execution via...

AlmaLinux 10 : expat (ALSA-2026:64810)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:64810 advisory. expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking CVE-2026-50219 expat: libexpat: Arbitrary Code Execution via...

expat: libexpat: Integer Overflow Vulnerability Leading to Information Disclosure or Code Execution

A flaw was found in libexpat, a software library used for parsing XML Extensible Markup Language documents. An attacker could exploit an integer overflow vulnerability in the xmlwf utility by crafting malicious NOTATION declarations. This could lead to the disclosure of sensitive information or...