PatchTheCVECVE-2026-61866: ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be open
CVE-2026-61866 is a low-severity flaw (CVSS 2.9) affecting imagemagick. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 2.9 (Low) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-401 |
| Published | 2026-07-15 |
| Last modified | 2026-07-16 |
Last updated 2026-07-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-61866?
imagemagick: upgrade to 7.1.2-26. Exact commands for each OS are on this page.
Is CVE-2026-61866 being exploited?
CVE-2026-61866 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-61866 affect?
CVE-2026-61866 affects imagemagick. Severity is low (CVSS 2.9). 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.
How urgent is CVE-2026-61866?
Priority 12/100. No elevated risk signals yet.
Software pages
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