CVE-2017-12935: Debian Linux

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 mishandles large MNG images, leading to an invalid memory read in the SetImageColorCallBack function in magick/image.c.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Graphicsmagick Graphicsmagick: version 1.3.26 only

Published 2017-08-18. Last modified 2026-06-17.