CVE-2026-32942 PJSIP has ICE session use-after-free race conditions
A heap use-after-free race condition in PJSIP's ICE session allows attackers to potentially execute code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-32942?
CVE-2026-32942 is a high-severity use after free vulnerability in pjsip pjproject, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a heap use-after-free vulnerability in the ICE session that occurs when there are race conditions between session destruction and the callbacks. This issue has been fixed in version 2.17.
Weakness: CWE-416
Which versions are affected by CVE-2026-32942?
It affects 1 product.
Products include Pjsip Pjsip.
How do I fix CVE-2026-32942?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-32942 being exploited?
There is no known exploitation of CVE-2026-32942 in the wild and no public exploit code.
Other vulnerabilities in pjsip pjproject
- CVE-2026-28799 PJSIP: Heap use-after-free in PJSIP presence subscription termination handler
- CVE-2026-29068 PJSIP: Stack buffer overflow in Opus codec parser
- CVE-2026-40614 PJSIP: Heap buffer overflow in Opus codec decoding
- CVE-2026-32945 PJSIP is vulnerable to Heap-based Buffer Overflow through DNS parser
- CVE-2026-40892 PJSIP: Stack buffer overflow in pjsip_auth_create_digest2()
Sources
Also known as ALPINE-CVE-2026-32942, DEBIAN-CVE-2026-32942, GHSA-g88q-c2hm-q7p7, UBUNTU-CVE-2026-32942.