Bug 2521118 - CVE-2026-18300 gegl04: GIMP: Remote code execution via integer overflow in HDR file parsing [fedora-all]
Summary: CVE-2026-18300 gegl04: GIMP: Remote code execution via integer overflow in HD...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: gegl04
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Nils Philippsen
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["313c0122-98a3-4ad5-8575-d...
: 2521117 (view as bug list)
Depends On:
Blocks: CVE-2026-18300
TreeView+ depends on / blocked
 
Reported: 2026-08-21 19:16 UTC by Vladimir Vasilev
Modified: 2026-09-12 02:08 UTC (History)
2 users (show)

Fixed In Version: gegl04-0.4.70-5.fc44 gegl04-0.4.70-5.fc45
Clone Of:
Environment:
Last Closed: 2026-09-07 01:09:12 UTC
Type: ---
Embargoed:
fedora-admin-xmlrpc: mirror+


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Gitlab GNOME/gegl/-/work_items/462 0 None None None 2026-08-30 12:11:01 UTC

Description Vladimir Vasilev 2026-08-21 19:16:06 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.

GIMP HDR File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of HDR files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29289.

Comment 1 Nils Philippsen 2026-08-30 11:55:21 UTC
*** Bug 2521117 has been marked as a duplicate of this bug. ***

Comment 2 Fedora Update System 2026-08-30 13:30:07 UTC
FEDORA-2026-79b351972c (gegl04-0.4.70-5.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-79b351972c

Comment 3 Fedora Update System 2026-08-30 13:30:10 UTC
FEDORA-2026-a05d65f5fa (gegl04-0.4.70-5.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-a05d65f5fa

Comment 4 Fedora Update System 2026-08-30 13:30:13 UTC
FEDORA-2026-03ea7c5707 (gegl04-0.4.70-5.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-03ea7c5707

Comment 5 Fedora Update System 2026-08-31 17:52:05 UTC
FEDORA-2026-79b351972c 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-2026-79b351972c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-79b351972c

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

Comment 6 Fedora Update System 2026-08-31 18:12:32 UTC
FEDORA-2026-a05d65f5fa 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-a05d65f5fa`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-a05d65f5fa

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

Comment 7 Fedora Update System 2026-08-31 18:27:40 UTC
FEDORA-2026-03ea7c5707 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-2026-03ea7c5707`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-03ea7c5707

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

Comment 8 Fedora Update System 2026-09-07 01:09:12 UTC
FEDORA-2026-79b351972c (gegl04-0.4.70-5.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-09-08 02:20:10 UTC
FEDORA-2026-39b07f6dbb 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-2026-39b07f6dbb`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-39b07f6dbb

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

Comment 10 Fedora Update System 2026-09-11 18:55:38 UTC
FEDORA-2026-03ea7c5707 (gegl04-0.4.70-5.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-09-12 02:08:34 UTC
FEDORA-2026-572a0f4178 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-2026-572a0f4178`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-572a0f4178

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


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