What’s Vulnerable › Vulnerabilities

CVE-2015-7392

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-10-05 · updated 2026-06-17
• Weakness: CWE-119

Description

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

• signalwire freeswitch: through 1.4.21; 1.6.0

References

• http://packetstormsecurity.com/files/133781/freeswitch-Heap-Overflow.html
• http://www.securityfocus.com/archive/1/536569/100/0/threaded
• https://freeswitch.org/stash/projects/FS/repos/freeswitch/commits/cf8925
• http://packetstormsecurity.com/files/133781/freeswitch-Heap-Overflow.html
• http://www.securityfocus.com/archive/1/536569/100/0/threaded
• https://freeswitch.org/stash/projects/FS/repos/freeswitch/commits/cf8925

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