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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://github.com/pjsip/pjproject/security/advisories/GHSA-8fj4-fv9f-hjpc
Scores
CVSS v3
7.5
EPSS
0.0006
EPSS Percentile
18.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (1)
pjsip/pjsip
< 2.17
Published
Mar 06, 2026
Tracked Since
Mar 06, 2026