High severity7.5NVD Advisory· Published Sep 13, 2026

CVE-2026-90780

Description

SIPp through 3.7.7 contains a buffer overflow vulnerability in the get_header() function in src/sip_parser.cpp when processing SIP messages with header content exceeding 20,490 bytes. Unauthenticated remote attackers can send crafted SIP messages with oversized headers to overflow the static buffer and crash the process.

Affected products

Sipp/Sippreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <3.7.7

Patches

Vulnerability mechanics

References

github.com/SIPp/sipp/blob/v3.7.7/src/sip_parser.cppnvd
github.com/SIPp/sipp/commit/8ddfb43359703e665041a955543e07f504f80232nvd
github.com/SIPp/sipp/pull/881nvd
www.vulncheck.com/advisories/sipp-through-3.7.7-buffer-overflow-via-oversized-sip-header-contentnvd

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cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000