High severity · published Mar 6, 2026
CVE-2026-29068
PJSIP: Stack buffer overflow in Opus codec parser
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, there is a stack buffer overflow vulnerability when pjmedia-codec parses an RTP payload contain more frames than the caller-provided frames can hold. This issue has been patched in version 2.17.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PJ
pjproject · pjsip
< 2.17 · source: vendor
PJ
Pjsip · Pjsip
before 2.17 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29068
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-29068
Patch
https://github.com/pjsip/pjproject/commit/6c9024511bf5307ff72efde1f90c9a2a226d8967
Patch
https://github.com/pjsip/pjproject/security/advisories/GHSA-pqww-jrxr-457f
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