USN-8813-1: Expat vulnerabilities
Ubuntu's USN-8813-1 patches Expat flaws that can crash the parser or allow code execution.
48
CVE-2026-56131
- CVSS 3.1
- 4.9 medium
- EPSS
- <1%p8
- Published
- ·
- Modified
Description · NVD
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).
- Vendors
- libexpat project
- Products
- libexpat
- Weakness
- CWE-416
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L