Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package pcre2-utf16 (opens in a new tab)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-PCRE2UTF16-19689223
- published12 Sept 2026
- disclosed11 Sept 2026
Introduced: 11 Sep 2026
CVE-2026-89157 (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-utf16 package and not the pcre2-utf16 package as distributed by RHEL.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2531744
- https://access.redhat.com/security/cve/CVE-2026-89157
- https://access.redhat.com/errata/RHSA-2026:67534
- https://access.redhat.com/errata/RHSA-2026:81522
- https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48
- https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9