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Description

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap out-of-bounds read vulnerability exists in PJSIP's VP9 RTP unpacketizer that occurs when parsing crafted VP9 Scalability Structure (SS) data. Insufficient bounds checking on the payload descriptor length may cause reads beyond the allocated RTP payload buffer. This issue has been patched in version 2.17. A workaround for this issue involves disabling VP9 codec if not needed.

PUBLISHED Reserved 2026-03-26 | Published 2026-03-31 | Updated 2026-04-02 | Assigner GitHub_M




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-125: Out-of-bounds Read

Product status

< 2.17
affected

References

github.com/...roject/security/advisories/GHSA-pqrm-53pc-wx28

github.com/...ommit/f4c7d08211da1fe2ad1504434a0ad99d12aa7536

cve.org (CVE-2026-34235)

nvd.nist.gov (CVE-2026-34235)

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