CVE-2015-7392 Memory corruption in n/a
Remote attackers can execute arbitrary code on FreeSWITCH servers by sending a malformed JSON string with a trailing unicode escape sequence.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-7392?
CVE-2015-7392 is a high-severity memory corruption vulnerability in n/a, published on 5 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2015-7392?
It affects 1 product.
Products include Freeswitch Freeswitch.
How do I fix CVE-2015-7392?
No fix has been published for CVE-2015-7392 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2015-7392 being exploited?
There is no known exploitation of CVE-2015-7392 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-49841 FreeSWITCH: Pre-authentication heap buffer overflow in `mod_verto` HTTP POST body read
- CVE-2019-19492 Hardcoded credentials in n/a
- CVE-2026-49840 FreeSWITCH: Pre-authentication heap buffer overflow in libesl `Content-Length` parsing
- CVE-2021-41145 FreeSWITCH susceptible to Denial of Service via SIP flooding
- CVE-2026-45771 Freeswitch Denial-of-Service in SIP PUBLISH Requests via XML Entity Expansion
Sources
Also known as GHSA-h2p5-8h8f-7g53.