Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package pcre2-tools (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-PCRE2TOOLS-20301036
- published30 Sept 2026
- disclosed30 Sept 2026
Introduced: 30 Sep 2026
NewCVE-2026-103111 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pcre2-tools package and not the pcre2-tools package as distributed by RHEL.
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2543797
- https://access.redhat.com/security/cve/CVE-2026-103111
- https://access.redhat.com/errata/RHSA-2026:74972
- https://access.redhat.com/errata/RHSA-2026:81522
- https://access.redhat.com/errata/RHSA-2026:84799
- https://lists.debian.org/debian-lts-announce/2026/10/msg00008.html
- https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m