CVEvulnerability
CVE-2021-21375
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400, CWE-754
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.
Affected configurations
• teluu pjsip (<= 2.10)
• debian debian linux 9.0
Related
References
- https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365 Patch, Third Party Advisory
- https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-42 Third Party Advisory
- https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365 Patch, Third Party Advisory
- https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-42 Third Party Advisory