CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

CVE-2026-56404

CVE-2026-56404 affects libexpat before 2.8.2, where an integer overflow occurs in addBinding. This is the only detail provided; no exploitation or remediation information is included in the supplied documents.

CVE-2026-56403

libexpat before 2.8.2 has an integer overflow in storeAtts...

Linux Distros Unpatched Vulnerability : CVE-2026-56405

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in getAttributeId. CVE-2026-56405 Note that Nessus relies on the presence of the package as reported by the vendor...

SUSE 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...

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...

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...

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-2026-56131

CVE-2026-56131 affects libexpat prior to 2.8.2, where handler call depth tracking is missing for XML_ResumeParser calls made from within handlers during a policy violation. This leads to a use-after-free condition as described (similar to CVE-2026-50219). The Connected documents identify the affe...

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...

MGASA-2026-0204 Updated expat packages fix security vulnerabilities

CVE-2026-45186 the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

Updated expat packages fix security vulnerabilities

CVE-2026-45186 the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

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, ...

EulerOS Virtualization 2.13.0 : expat (EulerOS-SA-2026-2398)

According to the versions of the expat packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory...

EulerOS Virtualization 2.13.1 : expat (EulerOS-SA-2026-2369)

According to the versions of the expat packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory...