CVE-2026-90780
SIPp through 3.7.7 Buffer Overflow via Oversized SIP Header Content
CVSS 4.0 8.7 HIGHCVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-90780
PublishedSIPp 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-90780 · CVE overview and exploitation status
cve-program · CVE-2026-90780
- 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
- https://www.vulncheck.com/advisories/sipp-through-3.7.7-buffer-overflow-via-oversized-sip-header-content
Related changes
Linked by CVE identifierNo related changes are available here.