CVE-2013-2238: Freeswitch

Medium severity, CVSS 6.8. EPSS: 2.7% chance of exploitation in the next 30 days.

Multiple buffer overflows in the switch_perform_substitution function in switch_regex.c in FreeSWITCH 1.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the index and substituted variables.

Affected products

• Freeswitch Freeswitch: version 1.2 only

Published 2013-09-30. Last modified 2026-06-16.