CVE-2010-2494: Bogofilter

Medium severity, CVSS 5.0. EPSS: 3.4% chance of exploitation in the next 30 days.

Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.

Affected products

• Bogofilter Bogofilter: up to and including 1.2.1; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.1.0 only; …

Published 2010-07-08. Last modified 2026-06-16.