CVE-2026-23868

Summary

CVECVE-2026-23868
StatePUBLISHED
AssignerMeta
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-10 20:16:25 UTC
Updated2026-06-30 03:17:34 UTC
DescriptionGiflib 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.

Risk And Classification

Primary CVSS: v3.1 5.1 MEDIUM from ADP

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.001440000 probability, percentile 0.040760000 (date 2026-07-02)

Problem Types: CWE-415 | CWE-825 | CWE-415: Double Free | CWE-415 CWE-415 Double Free | CWE-825 Expired Pointer Dereference


VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.1MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1ADPCVSS7HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.1MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
3.10b0ca135-0b70-47e7-9f44-1890c2a1c46cSecondary7HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Giflib Project Giflib All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Giflib Giflib affected 5.0.0 6.1.1 semver Not specified
ADP Red Hat Red Hat Enterprise Linux Server V. 7 ELS Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux Server Optional V. 7 ELS Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream EUS V. 10.0 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream V. 10 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream V. 8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream AUS V. 8.2 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream AUS V.8.4 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream EUS EXTENSION V.8.4 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream AUS V.8.6 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream E4S V.8.6 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream TUS V.8.6 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream E4S V.8.8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream TUS V.8.8 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream E4S V.9.0 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream E4S V.9.2 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream EUS V.9.4 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream EUS V.9.6 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux AppStream V. 9 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux CodeReady Linux Builder EUS V. 10.0 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux CodeReady Linux Builder V. 10 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux CRB V. 8 Not specified Not specified
ADP Red Hat Red Hat CodeReady Linux Builder EUS V.9.4 Not specified Not specified
ADP Red Hat Red Hat CodeReady Linux Builder EUS V.9.6 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux CodeReady Linux Builder V. 9 Not specified Not specified
ADP Red Hat Red Hat AI Inference Server 3.2 Not specified Not specified
ADP Red Hat Red Hat AI Inference Server 3.3 Not specified Not specified
ADP Red Hat Red Hat Enterprise Linux 6 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:8886 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8884 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:19154 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:9294 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:9292 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:9290 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:25096 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:16030 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8859 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8861 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tre... [email protected] sourceforge.net Patch
access.redhat.com/errata/RHSA-2026:16009 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
www.facebook.com/security/advisories/cve-2026-23868 [email protected] www.facebook.com Third Party Advisory
access.redhat.com/errata/RHSA-2026:19725 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:16174 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:16008 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:19367 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
bugzilla.redhat.com/show_bug.cgi 0b0ca135-0b70-47e7-9f44-1890c2a1c46c bugzilla.redhat.com
access.redhat.com/errata/RHSA-2026:8858 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:19724 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/security/cve/CVE-2026-23868 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8883 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8885 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:8887 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23868.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c security.access.redhat.com
access.redhat.com/errata/RHSA-2026:9291 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:9295 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
ADP2026-03-10T20:01:10.215ZReported to Red Hat.
ADP2026-03-10T18:53:25.606ZMade public.

Solutions

ADP: RHSA-2026:8883: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS)

ADP: RHSA-2026:9290: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)

ADP: RHSA-2026:8858: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

ADP: RHSA-2026:19154: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

ADP: RHSA-2026:8861: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)

ADP: RHSA-2026:8884: Red Hat Enterprise Linux AppStream AUS (v. 8.2)

ADP: RHSA-2026:8885: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

ADP: RHSA-2026:8887: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)

ADP: RHSA-2026:8886: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)

ADP: RHSA-2026:9291: Red Hat Enterprise Linux AppStream E4S (v.9.0)

ADP: RHSA-2026:9292: Red Hat Enterprise Linux AppStream E4S (v.9.2)

ADP: RHSA-2026:9295: Red Hat CodeReady Linux Builder EUS (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.4)

ADP: RHSA-2026:9294: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)

ADP: RHSA-2026:8859: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)

ADP: RHSA-2026:19367: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)

ADP: RHSA-2026:25096: Red Hat AI Inference Server 3.2

ADP: RHSA-2026:19724: Red Hat AI Inference Server 3.2

ADP: RHSA-2026:19725: Red Hat AI Inference Server 3.2

ADP: RHSA-2026:16008: Red Hat AI Inference Server 3.3

ADP: RHSA-2026:16030: Red Hat AI Inference Server 3.3

ADP: RHSA-2026:16009: Red Hat AI Inference Server 3.3

ADP: RHSA-2026:16174: Red Hat AI Inference Server 3.3

Workarounds

ADP: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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