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CWE

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CVE-2026-28799

Published: Mar 6, 2026

Modified: Mar 9, 2026

PUBLISHED

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.

Vendor	Product	Versions
pjsip	pjproject	affected `< 2.17`

Weaknesses (CWE)

References

https://github.com/pjsip/pjproject/security/advisories/GHSA-8fj4-fv9f-hjpc

x_refsource_CONFIRM

https://github.com/pjsip/pjproject/commit/e06ff6c64741cc1675fd3296615910f532f6b1a1

x_refsource_MISC

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