Bug 2452144 - CVE-2026-33416 libpng: libpng: Arbitrary code execution due to use-after-free vulnerability [fedora-42]
Summary: CVE-2026-33416 libpng: libpng: Arbitrary code execution due to use-after-free...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: libpng
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Nikola Forró
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["47c6ec22-7f7b-4729-9e00-f...
Depends On:
Blocks: CVE-2026-33416
TreeView+ depends on / blocked
 
Reported: 2026-03-27 07:45 UTC by Vipul Nair
Modified: 2026-04-16 01:08 UTC (History)
3 users (show)

Fixed In Version: libpng-1.6.56-1.fc42
Clone Of:
Environment:
Last Closed: 2026-04-16 01:08:53 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Vipul Nair 2026-03-27 07:45:01 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.
Comment 1 Fedora Update System 2026-04-07 05:04:38 UTC 
FEDORA-2026-ba18a54554 (libpng-1.6.56-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ba18a54554
Comment 2 Fedora Update System 2026-04-08 01:51:42 UTC 
FEDORA-2026-ba18a54554 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-2026-ba18a54554`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ba18a54554

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 3 Fedora Update System 2026-04-16 01:08:53 UTC 
FEDORA-2026-ba18a54554 (libpng-1.6.56-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.
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