HIGH

CVE-2026-90779

2026-09-13 CVSS v3.1

CVSS

7.5

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.

Weakness (CWE)

CWE-121 Stack-based Buffer Overflow

EPSS Score

0.57%

Probability of exploitation in next 30 days

45.6th percentile

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-via-createauthheader-algorithm-parameter

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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