Medium4.9Red Hat & Ubuntu Linux
Use-after-free vulnerability due to improper handler call depth tracking
CVE-2026-50219 Published Jun 4, 2026
CVE-2026-50219
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
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 versions
- expat-main-2.8.2-1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:30647
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- 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 5 hours ago·verify at source
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