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Vulnerability CVE-2021-32686
Published: 2021-07-23 Modified: 2021-07-24
| 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 before version 2.11.1, there are a couple of issues found in the SSL socket. First, a race condition between callback and destroy, due to the accepted socket having no group lock. Second, the SSL socket parent/listener may get destroyed during handshake. Both issues were reported to happen intermittently in heavy load TLS connections. They cause a crash, resulting in a denial of service. These are fixed in version 2.11.1. |
References: |
https://github.com/pjsip/pjproject/security/advisories/GHSA-cv8x-p47p-99wr
https://github.com/pjsip/pjproject/pull/2716
https://github.com/pjsip/pjproject/commit/d5f95aa066f878b0aef6a64e60b61e8626e664cd
https://github.com/pjsip/pjproject/releases/tag/2.11.1
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