RHSA-2026:60451MediumCVSS 5.9
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-76956 — libexpat: libexpat: Denial of Service via hash flooding attack with crafted XML CVE-2026-76957 — libexpat: libexpat: Memory corruption vulnerability allows arbitrary code execution or denial of service
🎯 Affected products4
- Red Hat Hardened Images
- expat-main@aarch64 as a component of Red Hat Hardened Images
- expat-main@src as a component of Red Hat Hardened Images
- expat-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: There is no mitigation for this flaw other than updating to libexpat 2.8.4 or later. 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 (6)
- selfhttps://access.redhat.com/errata/RHSA-2026:60451
- externalhttps://access.redhat.com/security/cve/CVE-2026-76956
- externalhttps://access.redhat.com/security/cve/CVE-2026-76957
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://images.redhat.com/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_60451.json