CVEvulnerability
CVE-2026-56131
4.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-19
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.9 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-416
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).
Affected configurations
• libexpat project libexpat (< 2.8.2)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness