CVE-2022-39269

Critical

Published: 06/10/2022(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

PJSIP is a free and open source multimedia communication library that may incorrectly switch from using SRTP media transport to basic RTP upon SRTP restart. This leads to media being sent insecurely.

Risk Assessment

This vulnerability impacts all PJSIP users that use SRTP, potentially exposing transmitted data to eavesdropping.

Recommendation

Users are advised to manually patch or upgrade to version 2.13, which includes the fix. There are no known workarounds for this vulnerability.

Original NVD description (English source)

PJSIP is a free and open source multimedia communication library written in C. When processing certain packets, PJSIP may incorrectly switch from using SRTP media transport to using basic RTP upon SRTP restart, causing the media to be sent insecurely. The vulnerability impacts all PJSIP users that use SRTP. The patch is available as commit d2acb9a in the master branch of the project and will be included in version 2.13. Users are advised to manually patch or to upgrade. There are no known workarounds for this vulnerability.