Debian/expat: medium 4.9
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-2026-502
Action: Upgrade expat to 2.8.2-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.8.2-1~deb13u1 | - |
Fixed versions
| 2.8.2-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-56131#Debian:13/expat
- https://security-tracker.debian.org/tracker/CVE-2026-56131
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