CVE-2014-5461: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 11.7% chance of exploitation in the next 30 days.

Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of fixed arguments.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only
• Debian Debian Linux: version 7.0 only
• Lua Lua: version 5.1 only; version 5.1.1 only; version 5.1.2 only; version 5.1.3 only; version 5.1.4 only; version 5.1.5 only; …
• Mageia Mageia: version 3.0 only; version 4.0 only
• Opensuse Opensuse: version 12.3 only; version 13.1 only

Published 2014-09-04. Last modified 2026-06-17.