CVE-2026-40892 - Vulnerability Analysis
CriticalCVSS: 9.8Last Updated: April 23, 2026
PJSIP - Buffer Overflow
Published: April 21, 2026Updated: April 23, 2026Remote Exploitable
Overview
PJSIP <= 2.16 contains a stack buffer overflow caused by lack of upper-bound check on pre-computed digest credentials in pjsip_auth_create_digest2(), letting attackers cause memory corruption remotely, exploit requires crafted input.
Severity & Score
Severity: Critical
CVSS Score: 9.8
Impact
Attackers can cause memory corruption leading to potential code execution or denial of service.
Mitigation
Update to a version later than 2.16 or the latest available version.
References
Related Resources
Details
- CVE ID
- CVE-2026-40892
- Severity
- Critical
- CVSS Score
- 9.8
- Type
- buffer_overflow
- Status
- confirmed
CWE
- CWE-121
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H