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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 versions up to and including 2.11.1 when in a dialog set (or forking) scenario, a hash key shared by multiple UAC dialogs can potentially be prematurely freed when one of the dialogs is destroyed . The issue may cause a dialog set to be registered in the hash table multiple times (with different hash keys) leading to undefined behavior such as dialog list collision which eventually leading to endless loop. A patch is available in commit db3235953baa56d2fb0e276ca510fefca751643f which will be included in the next release. There are no known workarounds for this issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade pjproject | Aug 22, 2024 | Feb 22, 2022 |
| Debian | — | Upgrade asteriskUpgrade ring | Mar 29, 2022 | Feb 22, 2022 |
| Freebsd | — | Upgrade asterisk16Upgrade asterisk18 | Nov 4, 2022 | Mar 5, 2022 |
| Gentoo Linux | — | Upgrade net-libs/pjproject. | Nov 1, 2022 | Feb 22, 2022 |
| Ubuntu | — | Upgrade ring (Ubuntu Pro)Upgrade ringUpgrade ring-daemon (Ubuntu Pro)Upgrade jamiUpgrade jami-daemonUpgrade ring-daemon | Oct 10, 2023 | Feb 22, 2022 |
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