RHSA-2026:63403MediumCVSS 5.7
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
🔗 CVE IDs covered (1)
📋 Description
CVE-2026-15534 — perl: Perl: Arbitrary code execution via out-of-bounds memory access in regular expression engine.
🎯 Affected products5
- Red Hat Hardened Images
- perl-main@aarch64 as a component of Red Hat Hardened Images
- perl-main@noarch as a component of Red Hat Hardened Images
- perl-main@src as a component of Red Hat Hardened Images
- perl-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: Applications can reduce exposure by limiting the size of untrusted input passed to regular-expression matching (the overflow requires a subject on the order of 273 MiB) and by avoiding matching untrusted data against highly complex patterns.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:63403
- externalhttps://access.redhat.com/security/cve/CVE-2026-15534
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://images.redhat.com/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63403.json