Bug 2418739

Summary:	CVE-2025-66293 mingw-libpng: LIBPNG out-of-bounds read in png_image_read_composite [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	mingw-libpng	Assignee:	Richard W.M. Jones <rjones>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	42	CC:	manisandro, rjones
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["e511027f-ca8c-4dfd-a61b-d0213b720309"]}
Fixed In Version:	mingw-libpng-1.6.53-1.fc43 mingw-libpng-1.6.53-1.fc42	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-12-19 04:20:38 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:	2418711

Description Jon Moroney 2025-12-03 22:27:34 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2025-12-13 08:52:21 UTC

FEDORA-2025-da6d092209 (mingw-libpng-1.6.53-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-da6d092209

Comment 2 Fedora Update System 2025-12-13 08:52:27 UTC

FEDORA-2025-dbd70402f4 (mingw-libpng-1.6.53-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-dbd70402f4

Comment 3 Fedora Update System 2025-12-14 01:14:41 UTC

FEDORA-2025-da6d092209 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-2025-da6d092209`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-da6d092209

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

Comment 4 Fedora Update System 2025-12-14 01:56:00 UTC

FEDORA-2025-dbd70402f4 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-dbd70402f4`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-dbd70402f4

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

Comment 5 Fedora Update System 2025-12-19 04:20:38 UTC

FEDORA-2025-da6d092209 (mingw-libpng-1.6.53-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2025-12-22 01:06:24 UTC

FEDORA-2025-dbd70402f4 (mingw-libpng-1.6.53-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.