CVE-2026-34235
criticalpriority · track · 36EPSS 0.004 · 35 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 2.7–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
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references (6)
External citations — patches, advisories, analysis.
- https://github.com/pjsip/pjproject/commit/f4c7d08211da1fe2ad1504434a0ad99d12aa7536cnnvd
- https://github.com/pjsip/pjproject/security/advisories/GHSA-pqrm-53pc-wx28cnnvd
- https://github.com/pjsip/pjproject/commit/f4c7d08211da1fe2ad1504434a0ad99d12aa7536enisa_euvd
- https://github.com/pjsip/pjproject/security/advisories/GHSA-pqrm-53pc-wx28enisa_euvd
- https://github.com/pjsip/pjproject/commit/f4c7d08211da1fe2ad1504434a0ad99d12aa7536Patchnvd
- https://github.com/pjsip/pjproject/security/advisories/GHSA-pqrm-53pc-wx28PatchVendor Advisorynvd
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