CVE-2026-90780
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 13, 2026
Vendor
unknown
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://github.com/SIPp/sipp
- https://github.com/SIPp/sipp/blob/v3.7.7/src/sip_parser.cpp#L164-L227
- https://github.com/SIPp/sipp/commit/8ddfb43359703e665041a955543e07f504f80232
- https://github.com/SIPp/sipp/pull/881
- https://www.vulncheck.com/advisories/sipp-through-3.7.7-buffer-overflow-via-oversized-sip-header-content