#VU125904 Stack-based buffer overflow in pjsip - CVE-2026-25994
Published: April 14, 2026 / Updated: April 17, 2026
Vulnerability identifier: #VU125904
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2026-25994
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
pjsip
pjsip
Software vendor:
pjsip
pjsip
Description
The vulnerability allows a remote attacker to cause a denial of service or execute arbitrary code.
The vulnerability exists due to stack-based buffer overflow in PJNATH ICE Session when processing credentials with excessively long usernames. A remote attacker can send crafted credentials with an excessively long username to cause a denial of service or execute arbitrary code.
This issue affects applications that use ICE.
Remediation
Install security update from vendor's website.