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CVE-2026-102635 Details

Description

ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/ImageMagick/ImageMagick	[email protected]
https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5	[email protected]
https://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196	[email protected]
https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4	[email protected]
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc	[email protected]
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-32-and-6.9.13-57-uninitialized-heap-memory-disclosure-in-gif-decoder	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-908	Use of Uninitialized Resource	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 30, 2026	CVE Modified	CISA-ADP
Sep 29, 2026	New CVE Received	[email protected]