RHSA-2026:40574HighCVSS 7.5
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-69184 — c-ares: c-ares: CPU exhaustion denial of service via unbounded DNS name compression pointer chains CVE-2026-69186 — c-ares: c-ares: Denial of Service via unvalidated DNS header record counts
🎯 Affected products6
- Red Hat Hardened Images
- c-ares-0:1.34.8-2.hum1@aarch64 as a component of Red Hat Hardened Images
- c-ares-0:1.34.8-2.hum1@src as a component of Red Hat Hardened Images
- c-ares-0:1.34.8-2.hum1@x86_64 as a component of Red Hat Hardened Images
- c-ares-devel-0:1.34.8-2.hum1@aarch64 as a component of Red Hat Hardened Images
- c-ares-devel-0:1.34.8-2.hum1@x86_64 as a component of Red Hat Hardened Images
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/
🔗 References (6)
- selfhttps://access.redhat.com/errata/RHSA-2026:40574
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-69186
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://access.redhat.com/security/cve/CVE-2026-69184
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_40574.json