CVE-2026-28799

CVSS 8.7v4.0pub. 2026-03-06upd. 2026-03-10

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.

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Pjsip
APP
Pjsip
< 2.17

🔵

CHECK WITH VENDOR

No clear patch data available. Check vendor references.

Tags

Memory

CWE

CWE-416

References

github.com/pjsip/pjproject/commit/e06ff6c64741cc1675fd3…

github.com/pjsip/pjproject/security/advisories/GHSA-8fj…

Related vulnerabilities

CVE-2022-24786CRITICAL9.8ten sam produkt

PJSIP is a free and open source multimedia communication library written in C. PJSIP versions 2.12 and prior d...

CVE-2026-40614HIGH8.5ten sam produkt

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is a...

CVE-2026-40892HIGH8.1ten sam produkt

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a stack bu...

CVE-2026-32945HIGH8.4ten sam produkt

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a ...

CVE-2026-32942HIGH8.0ten sam produkt

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain...

CVE-2026-28799

Pjsip

Related vulnerabilities