Bug 2448830 - CVE-2026-26740 giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension [fedora-all]
Summary: CVE-2026-26740 giflib: giflib: Denial of Service via buffer overflow in EGifG...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: giflib
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Sandro Mani
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["1801e13b-28b4-42ae-acd0-6...
Depends On:
Blocks: CVE-2026-26740
TreeView+ depends on / blocked
 
Reported: 2026-03-18 20:38 UTC by Jon Moroney
Modified: 2026-05-30 00:54 UTC (History)
1 user (show)

Fixed In Version: giflib-6.1.3-2.fc44
Clone Of:
Environment:
Last Closed: 2026-05-30 00:54:51 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Jon Moroney 2026-03-18 20:38:24 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 2026-05-13 07:01:00 UTC 
FEDORA-2026-0be1222520 (giflib-6.1.3-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0be1222520
Comment 2 Fedora Update System 2026-05-15 03:27:20 UTC 
FEDORA-2026-0be1222520 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-2026-0be1222520`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0be1222520

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 3 Fedora Update System 2026-05-30 00:54:51 UTC 
FEDORA-2026-0be1222520 (giflib-6.1.3-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.
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