Medium6.5Red Hat & Ubuntu Linux
Denial of Service via recursive CNAME record in mDNS response
CVE-2026-24401 Published Jan 24, 2026
CVE-2026-24401
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service via recursive CNAME record in mDNS response. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-674. Affected package(s): avahi-main. Resolved in Red Hat advisory RHSA-2026:11316 — update the affected packages (`sudo dnf update`).
Affected versions
- avahi-main-0.9~rc4-0.1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:11316
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-2026:11316 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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