CVE-2026-90778

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Source
https://cve.org/CVERecord?id=CVE-2026-90778
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90778.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90778
Published
2026-09-13T11:42:27Z
Modified
2026-10-28T11:19:30Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
SIPp through 3.7.7 Buffer Overflow via SIP To Header Tag
Details

SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more. Unauthenticated remote attackers can send crafted SIP messages with oversized tag parameters to overflow the static buffer and crash the process.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-120"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90778.json"
}
References

Affected packages

Git / github.com/sipp/sipp

Affected ranges

Type
GIT
Repo
https://github.com/sipp/sipp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
ddf22d1a54e0396b2e18ebaf4cf5a3fa860e5da4
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "3.7.7"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "ddf22d1a54e0396b2e18ebaf4cf5a3fa860e5da4"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90778.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "121991496320648574498708891285654561428",
                "156595362117382814454096905833628946319",
                "65913322411809472241444882687185922592",
                "81825889921139497088803626367355873288"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-90778-7017523b",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/sipp/sipp/commit/ddf22d1a54e0396b2e18ebaf4cf5a3fa860e5da4",
        "target": {
            "file": "src/sip_parser.cpp"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "224947968659453387934539859938627318708",
            "length": 561
        },
        "id": "CVE-2026-90778-e282df0d",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/sipp/sipp/commit/ddf22d1a54e0396b2e18ebaf4cf5a3fa860e5da4",
        "target": {
            "file": "src/sip_parser.cpp",
            "function": "get_peer_tag"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T11:19:30Z"