CVE-2026-61866
ImageMagick before 7.1.2-26 Memory Leak in JNG encoder
- State
- Published
- Severity
- 2.1 Low
- Published
- Jul 15, 2026
- Updated
- Jul 15, 2026
- Reserved
- Jul 10, 2026
Description
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.1 Low | CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 2.9 Low | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-401 Missing Release of Memory after Effective Lifetime
Affected Products
| Product | Versions |
|---|---|
ImageMagickImageMagick |
|
References
- GitHub Security Advisory (GHSA-99w9-hv66-rfv7)vendor-advisory
- VulnCheck Advisory: ImageMagick before 7.1.2-26 Memory Leak in JNG encoderthird-party-advisory
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