CVE-2021-21375 | BDVDB-2026-150259 Detail
pjsippjproject
Description#
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP version 2.10 and earlier, after an initial INVITE has been sent, when two 183 responses are received, with the first one causing negotiation failure, a crash will occur. This results in a denial of service.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-400 Uncontrolled Resource Consumption
References#
- https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp
- https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365
- https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html
- https://security.gentoo.org/glsa/202107-42
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.