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CVE-2026-28799

PJSIP: Heap use-after-free in PJSIP presence subscription termination handler PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
pjsip / pjprojectaffected < 2.17

CWE

CWE-416

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.