CVE-2017-7875: Feh Project Feh

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger an out-of-boundary heap write while receiving an IPC message. An integer overflow leads to a buffer overflow and/or a double free.

Affected products

• Feh Project Feh: up to and including 2.18.2

Published 2017-04-14. Last modified 2026-06-17.