Bug 2531823

Summary: CVE-2026-89157 mingw-pcre2: PCRE2: Out-of-bounds write via large pattern input [fedora-all]
Product: [Fedora] Fedora Reporter: Ganesh <gnaik>
Component: mingw-pcre2Assignee: Sandro Mani <manisandro>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: manisandro
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["cc2b3d94-fdfd-48b1-a69e-0c67cdc3b605"]}
Fixed In Version: mingw-pcre2-10.48-1.fc45 mingw-pcre2-10.48-1.fc44 mingw-pcre2-10.48-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-09-24 00:18:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2531744    

Description Ganesh 2026-09-11 11:01:52 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, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

Comment 1 Fedora Update System 2026-09-15 21:21:01 UTC
FEDORA-2026-e9c6062c07 (mingw-pcre2-10.48-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9c6062c07

Comment 2 Fedora Update System 2026-09-15 21:21:18 UTC
FEDORA-2026-68e2c40a81 (mingw-pcre2-10.48-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-68e2c40a81

Comment 3 Fedora Update System 2026-09-16 01:32:45 UTC
FEDORA-2026-68e2c40a81 has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-68e2c40a81`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-68e2c40a81

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-09-16 01:53:33 UTC
FEDORA-2026-e9c6062c07 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-e9c6062c07`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9c6062c07

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-09-16 02:22:49 UTC
FEDORA-2026-98f3f016c4 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-98f3f016c4`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-98f3f016c4

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-09-24 00:18:18 UTC
FEDORA-2026-68e2c40a81 (mingw-pcre2-10.48-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-09-24 01:02:42 UTC
FEDORA-2026-e9c6062c07 (mingw-pcre2-10.48-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-09-24 01:19:07 UTC
FEDORA-2026-98f3f016c4 (mingw-pcre2-10.48-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.