CVE-2019-20433: GNU Aspell

Critical severity, CVSS 9.1. EPSS: 1.7% chance of exploitation in the next 30 days.

libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single '\0' byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable.

Affected products

• GNU Aspell: before 0.60.8 (fixed in 0.60.8)

Published 2020-01-27. Last modified 2026-06-17.