CVE-2022-29978: Saitoha Libsixel

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

Affected products

• Saitoha Libsixel: version 1.8.6 only

Published 2022-05-11. Last modified 2026-06-17.