CVE-2026-28799
PJSIP: Heap use-after-free in PJSIP presence subscription termination handler
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | pjsip |
| Product | pjproject |
| Published | Mar 6, 2026 |
| Last Updated | Mar 9, 2026 |
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Affected Versions
pjsip / pjproject
< 2.17