Vulnerability · Published Oct 25, 2026 · Assigned by VulnCheck
CVE-2026-116152ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path
Medium 5.3
In plain English
A medium-severity memory leak in ImageMagick from ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 76.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the MAT decoder that fails to release allocated memory in a specific error path. Attackers can supply crafted MAT files that trigger this error path repeatedly, causing small memory leaks that gradually consume process memory.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u14 | DEBIAN-CVE-2026-116152 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u13 | DEBIAN-CVE-2026-116152 |
| Debian:14 | imagemagick | 8:7.1.2.33+dfsg1-1 | DEBIAN-CVE-2026-116152 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-116152 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 0 – before 7.1.2-33 |
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- GitHub Security Advisory (GHSA-83w9-w85j-h9jc) vendor-advisory
- VulnCheck Advisory: ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path third-party-advisory