EUVD-2026-37977

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56132

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers...

CVE-2026-56131

libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur similar to the CVE-2026-50219 situation...

PT-2026-50831

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An issue exists where the software lacks handler call depth tracking for calls to the XML ResumeParser function when called from within handlers during a policy violation. This can lead to a...

OESA-2026-2680 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, ...

AlmaLinux 9 : expat (ALSA-2026:23230)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:23230 advisory. libexpat: denial of service via crafted XML input CVE-2026-45186 Tenable has extracted the preceding description block directly from the AlmaLinux security...

CVE-2026-49472

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIXprologTok, in...

EUVD-2026-35469

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIXprologTok, in...

EulerOS Virtualization 2.10.1 : expat (EulerOS-SA-2026-2018)

According to the versions of the expat package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data.CVE-2026-24515 In libexpat...

RHEL 10 : expat (RHSA-2026:22715)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:22715 advisory. Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details...

expat security update

An update is available for expat. 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 Expat is a C library for parsing XML documents. Security Fixes: libexpat: deni...

RLSA-2026:22715 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

RHSA-2026:23230 Red Hat Security Advisory: expat security update

Bulletin has no description...

RLSA-2026:22721 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

RockyLinux 9 : expat (RLSA-2026:23230)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:23230 advisory. libexpat: denial of service via crafted XML input CVE-2026-45186 Tenable has extracted the preceding description block directly from the RockyLinux security...

RHSA-2026:22715 Red Hat Security Advisory: expat security update

Bulletin has no description...

ALPINE-CVE-2026-50219

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 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,...