CVE-2022-39269

critical
Published 2022-10-06 · Modified 2026-05-06
CVSS v3
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v2
VIR risk
9.1

Description

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.

Predictions

Exploit likelihood
94%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/pjsip/pjproject/commit/d2acb9af4e27b5ba75d658690406cec9c274c5cc

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-39269

OS impact

OSVersionStatusFixed in
debian debianbullseyefixed1:16.28.0~dfsg-0+deb11u2
debian debiansidfixed1:20.3.0~dfsg+~cs6.13.40431413-1
debian debianbookwormfixed20230206.0~ds1-1

Application impact

VendorProductVersionsFixed
teluupjsip{"startIncluding":"2.11","endExcluding":"2.13"}2.13

References

CWEs

CWE-319

Verify integrity in audit chain (admin only). AS-IS.