CVE-2026-26203 - CERT CVE
ID CVE-2026-26203
Sažetak PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked pointer arithmetic that can read from memory located before the allocated buffer. Version 2.17 contains a patch for the issue.
Reference
CVSS
Base: 6.5
Impact: 4.0
Exploitability:2.0
Pristup
VektorSloženostAutentikacija
LOCAL LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE HIGH
CVSS vektor CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Zadnje važnije ažuriranje 20-02-2026 - 20:12
Objavljeno 19-02-2026 - 20:25