CVE-2026-23868
What it is
Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.1 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-415
- Record status
- Modified
Affected
- Giflib Project Giflib ≤ 6.1.1
Attack profile CVSS 3.1 · 5.1
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-23868.md and follow it. Check whether this project is affected by CVE-2026-23868. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7
- https://www.facebook.com/security/advisories/cve-2026-23868
- https://access.redhat.com/errata/RHSA-2026:16008
- https://access.redhat.com/errata/RHSA-2026:16009
- https://access.redhat.com/errata/RHSA-2026:16030
- https://access.redhat.com/errata/RHSA-2026:16174
- https://access.redhat.com/errata/RHSA-2026:19154
- https://access.redhat.com/errata/RHSA-2026:19367
- https://access.redhat.com/errata/RHSA-2026:19724
- https://access.redhat.com/errata/RHSA-2026:19725
- https://access.redhat.com/errata/RHSA-2026:25096
- https://access.redhat.com/errata/RHSA-2026:8858
- https://access.redhat.com/errata/RHSA-2026:8859
- https://access.redhat.com/errata/RHSA-2026:8861
- https://access.redhat.com/errata/RHSA-2026:8883
- https://access.redhat.com/errata/RHSA-2026:8884
- https://access.redhat.com/errata/RHSA-2026:8885
- https://access.redhat.com/errata/RHSA-2026:8886
- https://access.redhat.com/errata/RHSA-2026:8887
- https://access.redhat.com/errata/RHSA-2026:9290
- https://access.redhat.com/errata/RHSA-2026:9291
- https://access.redhat.com/errata/RHSA-2026:9292
- https://access.redhat.com/errata/RHSA-2026:9294
- https://access.redhat.com/errata/RHSA-2026:9295
- https://access.redhat.com/security/cve/CVE-2026-23868