RHSA-2026:62563HighCVSS 7.5
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-80212 — resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80213 — resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames
🎯 Affected products5
- Red Hat Hardened Images
- ruby4-0-main@aarch64 as a component of Red Hat Hardened Images
- ruby4-0-main@noarch as a component of Red Hat Hardened Images
- ruby4-0-main@src as a component of Red Hat Hardened Images
- ruby4-0-main@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/ Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2026:62563
- externalhttps://access.redhat.com/security/cve/CVE-2026-80212
- externalhttps://access.redhat.com/security/cve/CVE-2026-80213
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-75803
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_62563.json