medium4.9
CVE-2026-56131
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Libexpat Project | Libexpat | before 2.8.2 |