Linux Distros Unpatched Vulnerability : CVE-2026-28799

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 even...

CVE-2026-28799

A flaw was found in PJSIP. A remote attacker can exploit a heap use-after-free vulnerability within the event subscription framework by sending a specially crafted message during presence unsubscription. This can lead to a denial of service, making the affected system unavailable. Mitigation...

UBUNTU-CVE-2026-28799

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 i...

DEBIAN-CVE-2026-28799

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 i...

EUVD-2026-10006

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 i...

CVE-2026-28799

CVE-2026-28799 affects the PJSIP multimedia library (up to version 2.16). A heap use-after-free flaw exists in PJSIP’s event subscription framework (evsub.c) and is triggered during presence unsubscription with SubSCRIBE and Expires=0. The issue can impact availability (high impact) with negligib...

CVE-2026-28799

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 i...

CVE-2026-28799

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 i...

CVE-2026-28799 PJSIP: Heap use-after-free in PJSIP presence subscription termination handler

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 i...

PT-2026-23652

Name of the Vulnerable Software and Affected Versions PJSIP versions prior to 2.17 Description PJSIP, a multimedia communication library written in C, contains a heap use-after-free issue within its event subscription framework, specifically in the evsub.c file. This issue is triggered by a...