CVE-2026-90780

high

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.

References

https://www.vulncheck.com/advisories/sipp-through-3.7.7-buffer-overflow-via-oversized-sip-header-content

https://github.com/SIPp/sipp/pull/881

https://github.com/SIPp/sipp/commit/8ddfb43359703e665041a955543e07f504f80232

https://github.com/SIPp/sipp/blob/v3.7.7/src/sip_parser.cpp#L164-L227

https://github.com/SIPp/sipp

Details

Source: Mitre, NVD

Published: 2026-09-13

Updated: 2026-09-13

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High