CVE-2018-20544: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 1.9% chance of exploitation in the next 30 days.

There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only
• Libcaca Project Libcaca: version 0.99 only

Published 2018-12-28. Last modified 2026-06-17.