CVE-2020-36281: Debian Linux

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c.

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 32 only; version 33 only
• Leptonica Leptonica: before 1.80.0 (fixed in 1.80.0)

Published 2021-03-12. Last modified 2026-06-17.