Out-of-bounds read in pjsip - #VU140818
Published: August 3, 2026
Vulnerability identifier: #VU140818
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information or cause a denial of service.
The vulnerability exists due to out-of-bounds read in the SIP message serializer when re-serializing received SIP messages containing a specially crafted multipart body. A remote attacker can send a specially crafted SIP message with an empty multipart body to disclose sensitive information or cause a denial of service.
Only applications that re-encode incoming multipart bodies, such as SIP proxies that forward requests, are affected.
Affected software
pjsip
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.