Bug 2543797 (CVE-2026-103111) - CVE-2026-103111 pcre2: pcre2: Out-of-bounds write via crafted regular expression
Summary: CVE-2026-103111 pcre2: pcre2: Out-of-bounds write via crafted regular expression
Keywords:
Status: NEW
Alias: CVE-2026-103111
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-30 04:41 UTC by OSIDB Bzimport
Modified: 2026-09-30 04:47 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-09-30 04:41:20 UTC 
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.
Note You need to log in before you can comment on or make changes to this bug.