Description

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap use-after-free vulnerability exists in PJSIP's event subscription framework (evsub.c) that is triggered during presence unsubscription (SUBSCRIBE with Expires=0). This issue has been patched in version 2.17.

INFO

Published Date :

2026-03-06T06:36:55.109Z

Last Modified :

2026-03-09T19:50:33.494Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28799 vulnerability.

Vendors Products
Pjsip
  • Pjproject
  • Pjsip
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28799.

URL Resource
https://github.com/pjsip/pjproject/commit/e06ff6c64741cc1675fd3296615910f532f6b1a1 cve-icon cve-icon cve-icon
https://github.com/pjsip/pjproject/security/advisories/GHSA-8fj4-fv9f-hjpc cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-28799 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-28799 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact