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...

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...

macOS 15.x < 15.7.4 Multiple Vulnerabilities (126349)

The remote host is running a version of macOS / Mac OS X that is 15.x prior to 15.7.4. It is, therefore, affected by multiple vulnerabilities: - A race condition was addressed with improved handling of symbolic links. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3,...

expat: Integer overflow in build_model in xmlparse.c

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...

expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution

A flaw was found in expat. Passing malformed 2- and 3-byte UTF-8 sequences for example, from start tag names to the XML processing application on top of expat can lead to arbitrary code execution. This issue is dependent on how invalid UTF-8 is handled inside the XML processor...

expat: Integer overflow in nextScaffoldPart in xmlparse.c

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...