CVE-2026-56376
ImageMagick has a possible heap Use After Free vulnerability in its meta coder
3.3
LOW
CVSS 3.1
EPSS 0.18%
Description
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.
How to fix CVE-2026-56376
To remediate CVE-2026-56376, upgrade the affected package to a fixed version below.
- —upgrade to 8:6.9.11.60+dfsg-1.3+deb11u15 or later
Is CVE-2026-56376 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8:6.9.11.60+dfsg-1.3+deb11u15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |