Medium [CVE-2026-50219] Use-after-free vulnerability due to improper handler call depth tracking
This medium-severity Red Hat Linux advisory covers CVE-2026-50219 affecting expat-main, Red Hat Enterprise Linux.
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Summary
Use-after-free vulnerability due to improper handler call depth tracking. Red Hat rates this moderate (CVSS 4.9).
Weakness: CWE-911. Affected package(s): expat-main.
Resolved in Red Hat advisory RHSA-2026:30647 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- expat-main-2.8.2-1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:30647
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:30647 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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