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.
History

Sun, 04 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
References

Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 30 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in PCRE2 JIT API for Versions before 10.49 pcre2: pcre2: Out-of-bounds write via crafted regular expression
References
Metrics threat_severity

None

threat_severity

Important


Wed, 30 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in PCRE2 JIT API for Versions before 10.49

Wed, 30 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Pcre
Pcre pcre2
Weaknesses CWE-787
CPEs cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*
Vendors & Products Pcre
Pcre pcre2
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-09-30T04:13:59.115Z

Updated: 2026-10-03T23:51:52.352Z

Reserved: 2026-09-30T04:13:58.336Z

Link: CVE-2026-103111

cve-icon Vulnrichment

Updated: 2026-10-03T23:51:52.352Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T05:16:45.863

Modified: 2026-10-04T00:16:35.563

Link: CVE-2026-103111

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-30T04:13:59Z

Links: CVE-2026-103111 - Bugzilla