CVE-2015-7392: Freeswitch

High severity, CVSS 7.5. EPSS: 4.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the parse_string function in libs/esl/src/esl_json.c in FreeSWITCH before 1.4.23 and 1.6.x before 1.6.2 allows remote attackers to execute arbitrary code via a trailing \u in a json string to cJSON_Parse.

Affected products

• Freeswitch Freeswitch: up to and including 1.4.21; version 1.6.0 only

Published 2015-10-05. Last modified 2026-06-17.