CVE-2026-56131

ADVISORY - debian

Summary

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

expat 2.8.2-1 (bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140387) https://github.com/libexpat/libexpat/pull/1267

EPSS Score⁠: 0.00135 (0.033)

Common Weakness Enumeration (CWE)

Impacted images

Advisories

Sign in to Docker Scout

See which of your images are affected by this CVE and how to fix them by signing into Docker Scout.