CVE-2026-23868

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.

CVSS v3 5.1 MEDIUM

5.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7	Patch
https://www.facebook.com/security/advisories/cve-2026-23868	Third Party Advisory
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
https://bugzilla.redhat.com/show_bug.cgi?id=2446207
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23868.json

Configurations

Configuration 1 (hide)

cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-10 20:16

Updated : 2026-07-15 02:18

NVD link : CVE-2026-23868

Mitre link : CVE-2026-23868

CVE.ORG link : CVE-2026-23868

JSON object : View

Products Affected

giflib_project

giflib

CWE

CWE-415

Double Free

CWE-825

Expired Pointer Dereference

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in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible."}, {"lang": "es", "value": "Giflib contiene una vulnerabilidad de doble liberaci\u00f3n que es el resultado de una copia superficial en GifMakeSavedImage y un manejo de errores incorrecto. Las condiciones necesarias para activar esta vulnerabilidad son dif\u00edciles pero pueden ser posibles."}], "lastModified": "2026-07-15T02:18:44.720", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58DC098E-5444-4100-88D5-1C2BA1E23488", "versionEndIncluding": "6.1.1", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve-assign@fb.com"}