Vulnerability · Published Jul 25, 2026 · Assigned by VulnCheck
CVE-2026-66011ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options
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 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.1%top 97.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | no fix listed | DEBIAN-CVE-2026-66011 |
| Debian:13 | imagemagick | no fix listed | DEBIAN-CVE-2026-66011 |
| Debian:14 | imagemagick | 8:7.1.2.27+dfsg1-1 | DEBIAN-CVE-2026-66011 |
| NuGet | magick.net-q16-anycpu | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-hdri-anycpu | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-hdri-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-hdri-x64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-hdri-x86 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-openmp-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-openmp-x64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-x64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q16-x86 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-anycpu | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-openmp-arm64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-openmp-x64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-x64 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| NuGet | magick.net-q8-x86 | 14.15.0 | GHSA-cvhv-g4rq-3hmw |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-66011 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 0 – before 7.1.2-27 |
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-cvhv-g4rq-3hmw) vendor-advisory
- VulnCheck Advisory: ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options third-party-advisory