Vulnerability Description
SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/SIPp/sipp
- https://github.com/SIPp/sipp/blob/v3.7.7/src/auth.cpp#L183-L192
- https://github.com/SIPp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7
- https://github.com/SIPp/sipp/pull/880
- https://www.vulncheck.com/advisories/sipp-through-3.7.7-stack-buffer-overflow-vi
FAQ
What is CVE-2026-90779?
CVE-2026-90779 is a vulnerability with a CVSS score of 7.5 (HIGH). SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can se...
How severe is CVE-2026-90779?
CVE-2026-90779 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90779?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.