Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck
CVE-2026-109276ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Temporary File Leak in JNG Decoder
Medium 5.3
In plain English
A medium-severity security flaw 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 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains an incomplete cleanup flaw in the JNG decoder that fails to remove temporary files when processing crafted input. Attackers can submit crafted JNG files for processing to repeatedly leak temporary files, consuming disk space and degrading availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u15 | DEBIAN-CVE-2026-109276 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u14 | DEBIAN-CVE-2026-109276 |
| Debian:14 | imagemagick | 8:7.1.2.33+dfsg1-1 | DEBIAN-CVE-2026-109276 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-109276 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 7.0.0-0 – before 7.1.2-32 |
| ImageMagick | ImageMagick | 0 – before 6.9.13-57 |
Weakness: CWE-459 · 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-f983-243h-9x4r) vendor-advisory
- Patch Commit patch
- ImageMagick6 Patch Commit patch
- VulnCheck Advisory: ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Temporary File Leak in JNG Decoder third-party-advisory