Medium5.9Red Hat & Ubuntu Linux
Denial of Service via uncontrolled recursion in XML catalog processing
CVE-2026-0990 Published Jan 15, 2026
CVE-2026-0990
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service via uncontrolled recursion in XML catalog processing. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-674. Affected package(s): libxml2-main. Resolved in Red Hat advisory RHSA-2026:7519 — update the affected packages (`sudo dnf update`).
Affected versions
- libxml2-main-2.15.2-0.3.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:7519
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-2026:7519 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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