CVE-2026-90779 – SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter

​CVE ID :CVE-2026-90779

Published : Sept. 13, 2026, 12:17 p.m. | 7 hours, 41 minutes ago

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.

Severity: 8.7 | HIGH

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