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.
Metrics
Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Tue, 31 Mar 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | PJSIP: Heap OOB read in VPX unpacketizer | |
| Weaknesses | CWE-125 | |
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| Metrics |
cvssV4_0
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-31T15:36:47.466Z
Reserved: 2026-03-26T16:22:29.034Z
Link: CVE-2026-34235
Vulnrichment
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NVD
Status : Received
Published: 2026-03-31T16:16:32.767
Modified: 2026-03-31T16:16:32.767
Link: CVE-2026-34235
Redhat
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OpenCVE Enrichment
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Weaknesses