Bug 2531807 - CVE-2026-89156 fish: PCRE2: Out-of-bounds read via invalid UTF data during JIT fallback [fedora-all]
Summary: CVE-2026-89156 fish: PCRE2: Out-of-bounds read via invalid UTF data during JI...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: fish
Version: rawhide
Hardware: Unspecified
OS: Unspecified
low
low
Target Milestone: ---
Assignee: Neal Gompa
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["8dfb014a-dab9-4cf3-8914-8...
Depends On:
Blocks: CVE-2026-89156
TreeView+ depends on / blocked
 
Reported: 2026-09-11 09:27 UTC by Ganesh
Modified: 2026-09-11 09:27 UTC (History)
7 users (show)

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

Attachments (Terms of Use)

Description Ganesh 2026-09-11 09:27:31 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
Note You need to log in before you can comment on or make changes to this bug.