CVE-2026-23868
5.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| giflib | giflib | 5.0.0 <= 6.1.1 | affected |
Weaknesses
- CWE-415: Double Free
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
giflib: Giflib: Double-free vulnerability leading to memory corruption
Additional References
- https://access.redhat.com/security/cve/CVE-2026-23868
- https://bugzilla.redhat.com/show_bug.cgi?id=2446207
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23868.json
- https://access.redhat.com/errata/RHSA-2026:8883
- https://access.redhat.com/errata/RHSA-2026:9290
- https://access.redhat.com/errata/RHSA-2026:8858
- https://access.redhat.com/errata/RHSA-2026:19154
- https://access.redhat.com/errata/RHSA-2026:8861
- https://access.redhat.com/errata/RHSA-2026:8884
- https://access.redhat.com/errata/RHSA-2026:8885
- https://access.redhat.com/errata/RHSA-2026:8887
- https://access.redhat.com/errata/RHSA-2026:8886
- https://access.redhat.com/errata/RHSA-2026:9291
- https://access.redhat.com/errata/RHSA-2026:9292
- https://access.redhat.com/errata/RHSA-2026:9295
- https://access.redhat.com/errata/RHSA-2026:9294
- https://access.redhat.com/errata/RHSA-2026:8859
- https://access.redhat.com/errata/RHSA-2026:19367
- https://access.redhat.com/errata/RHSA-2026:25096
- https://access.redhat.com/errata/RHSA-2026:19724
- https://access.redhat.com/errata/RHSA-2026:19725
- https://access.redhat.com/errata/RHSA-2026:16008
- https://access.redhat.com/errata/RHSA-2026:16030
- https://access.redhat.com/errata/RHSA-2026:16009
- https://access.redhat.com/errata/RHSA-2026:16174
References
- https://www.facebook.com/security/advisories/cve-2026-23868
- https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7
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