Out-of-bounds read in pjsip - CVE-2026-34235
Published: April 14, 2026
Vulnerability identifier: #VU125907
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34235
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pjsip
Affected software:
pjsip
pjsip
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to out-of-bounds read in the VP9 RTP unpacketizer when parsing crafted VP9 scalability structure data. A remote attacker can send crafted VP9 RTP media to disclose sensitive information.
Only applications with video support enabled through PJMEDIA_HAS_VIDEO that receive VP9 RTP media are affected.
How to mitigate CVE-2026-34235
Install security update from vendor's website.