Vulnerability · Published Jul 10, 2026 · Assigned by VulnCheck
CVE-2026-56366ImageMagick - Memory Leak in META Reader APP1JPEG Error Path
Low 3.3
In plain English
A low-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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 93.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u12 | DEBIAN-CVE-2026-56366 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u12 | DEBIAN-CVE-2026-56366 |
| Debian:14 | imagemagick | 8:7.1.2.18+dfsg1-1 | DEBIAN-CVE-2026-56366 |
| NuGet | magick.net-q16-anycpu | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-hdri-anycpu | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-hdri-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-hdri-x64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-hdri-x86 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-openmp-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-openmp-x64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-openmp-x86 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-x64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q16-x86 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-anycpu | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-openmp-arm64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-openmp-x64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-x64 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
| NuGet | magick.net-q8-x86 | 14.11.1 | GHSA-9r56-3gjq-hqf7 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 – before 7.1.2-18 |
| ImageMagick | ImageMagick | 0 – before 6.9.13-43 |
Weakness: CWE-401 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
References
- GitHub Security Advisory (GHSA-9r56-3gjq-hqf7) vendor-advisory
- VulnCheck Advisory: ImageMagick - Memory Leak in META Reader APP1JPEG Error Path third-party-advisory