CVE-2006-1827: Digium Asterisk

Medium severity, CVSS 6.4. EPSS: 7% chance of exploitation in the next 30 days.

Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.

Affected products

• Digium Asterisk: up to and including 1.2.6; version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.1.3 only; version 0.1.4 only; …

Published 2006-04-18. Last modified 2026-06-16.