CVE-2014-9488: GNU Less

High severity, CVSS 10.0. EPSS: 3.9% chance of exploitation in the next 30 days.

The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.

Affected products

• GNU Less: up to and including 471
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-04-14. Last modified 2026-06-17.