VDB
CVE-2026-86421
CVE-2026-86421
PUBLISHED
CVSS 6.3 MEDIUM
Reported by VulnCheck · Published September 7, 2026
ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.
Risk Scores
CVSS 4.0
6.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 0, 7.1.2-30 |
| ImageMagick | ImageMagick | 0, 6.9.13-55 |
| imagemagick | imagemagick | 0, 0, 0 |
| ImageMagick | ImageMagick | 0, 7.1.2-30, 0 |
Timeline
- Sep 7, 2026 CVE Published
- Sep 8, 2026 EPSS Score
- Sep 8, 2026 CVE Updated
- Sep 9, 2026 EPSS Score
- Sep 10, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
References
- GitHub Security Advisory (GHSA-4jv7-q6xw-6f4x) vendor-advisory
- VulnCheck Advisory: ImageMagick before 7.1.2-30 Memory Leak via MSL decoder third-party-advisory