High [CVE-2026-103111] Out-of-bounds write via crafted regular expression
This high-severity Red Hat Linux advisory covers CVE-2026-103111; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
Out-of-bounds write via crafted regular expression. Red Hat rates this important (CVSS 7.6).
Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:74972 with package pcre2-main-10.49-0.1.hum1.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 6 more.
Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: mariadb10.11; Red Hat package: mariadb11.8; and 2 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- pcre2-main-10.49-0.1.hum1
- RHSA-2026:74972
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation
Upgrade to a fixed release: pcre2-main-10.49-0.1.hum1, RHSA-2026:74972. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
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