Vulnerability · Published Sep 7, 2026 · Assigned by VulnCheck
CVE-2026-86420ImageMagick before 7.1.2-30 Denial of Service Memory Budget
Low 3.7
In plain English
A low-severity uncontrolled resource consumption 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 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 74.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ImageMagick before 7.1.2-30 and 6.9.13-55 fails to properly lower the memory budget when an operation inside OpenPixelCache fails. Repeated triggering of such failures can exhaust the process memory budget and result in a denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u14 | DEBIAN-CVE-2026-86420 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u13 | DEBIAN-CVE-2026-86420 |
| Debian:14 | imagemagick | 8:7.1.2.31+dfsg1-1 | DEBIAN-CVE-2026-86420 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-86420 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 – before 7.1.2-30 |
| ImageMagick | ImageMagick | 0 – before 6.9.13-55 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- GitHub Security Advisory (GHSA-4mwf-mggw-29vp) vendor-advisory
- VulnCheck Advisory: ImageMagick before 7.1.2-30 Denial of Service Memory Budget third-party-advisory