CVE-2026-56376
lowpriority · track · 13EPSS 0.003 · 24 %ileDEEURUUSEPSS · scored 2026-10-24
ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–6.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (37)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0484ImageMagick: Mehrere SchwachstellenDeutsch2026-02-23csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen oder andere nicht näher definierte Angriffe durchzuführen.
- GHSA-2gq3-ww97-wfjmImageMagick has a possible heap Use After Free vulnerability in its meta coder2026-02-25ghsa · osvUS
A heap Use After Free vulnerability exists in the meta coder when an allocation fails and a single byte is written to a stale pointer. ``` ==535852==ERROR: AddressSanitizer: heap-use-after-free on address 0x5210000088ff at pc 0x5581bacac14d bp 0x7ffdf667edf0 sp 0x7ffdf667ede0 WRITE of size 1 at 0x5210000088ff thread T0 ```
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjmcnnvd
- https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-codercnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjmenisa_euvd
- https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coderenisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjmThird Party Advisorynvd
- https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coderThird Party Advisorynvd
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