Quick answers
- Is CVE-2026-109276 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109276 being exploited in the wild.
- How severe is CVE-2026-109276?
- Medium severity, with a CVSS score of 5.3, published 12 October 2026.
- Which products and versions are affected?
- ImageMagick 6.9.x before 6.9.13-57; 7.x before 7.1.2-32.
- Is there a fix for CVE-2026-109276?
- Yes: fixed in 6.9.13-57, 7.1.2-32. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-109276 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-109276?
- Check whether you run ImageMagick at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 6.9.13-57, 7.1.2-32
Technical details
The JNG decoder in ImageMagick fails to properly clean up temporary files when processing malformed input, resulting in a CWE-459 incomplete cleanup flaw. An attacker can submit multiple crafted JNG files over the network with no authentication or user interaction required, causing cumulative disk exhaustion and eventual denial of service on systems processing the images.
Affected products
- ImageMagick ImageMagick 6.9.x before 6.9.13-57; 7.x before 7.1.2-32
Timeline
- 2026-09-27: disclosed
- 2026-10-12: advisory