Medium severity4.9NVD Advisory· Published Jun 19, 2026· Updated Jun 23, 2026
CVE-2026-56131
CVE-2026-56131
Description
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*range: <2.8.2
- (no CPE)range: <2.8.2
- osv-coords5 versionspkg:apk/chainguard/expat-devpkg:apk/chainguard/libexpat1pkg:apk/wolfi/expat-devpkg:apk/wolfi/libexpat1pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweed
< 2.8.2-r0+ 4 more
- (no CPE)range: < 2.8.2-r0
- (no CPE)range: < 2.8.2-r0
- (no CPE)range: < 2.8.2-r0
- (no CPE)range: < 2.8.2-r0
- (no CPE)range: < 2.8.2-1.1
Patches
Vulnerability mechanics
References
1News mentions
0No linked articles in our index yet.