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
2026-09-16T08:11:39Z
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
369b3c187f0ff96f3ec9795650820e80cf17c776
Fixed
ddf22d1a54e0396b2e18ebaf4cf5a3fa860e5da4
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.7.7"
        }
    ],
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

3.*
3.4-beta1
3.4-beta2
v3.*
v3.4.1
v3.5.0
v3.5.0-rc1
v3.5.0-rc2
v3.5.0-rc4
v3.5.1-rc1
v3.6-dev
v3.6.0
v3.6.0_rc1
v3.7-dev
v3.7.0
v3.7.0_rc1
v3.7.1
v3.7.2
v3.7.3
v3.7.5
v3.7.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90778.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "9976261197102184989196215132784419593",
            "length": 1216
        },
        "id": "CVE-2026-90778-08ed8213",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/sipp/sipp/commit/369b3c187f0ff96f3ec9795650820e80cf17c776",
        "target": {
            "file": "src/prepare_pcap.c",
            "function": "prepare_dtmf"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "253922072885821488052009852498455109366",
                "34586638566681625384682327254929602773",
                "261283247031706384743989698715409911607",
                "298123525681146494129287498515136892063"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-90778-123fd1ee",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/sipp/sipp/commit/369b3c187f0ff96f3ec9795650820e80cf17c776",
        "target": {
            "file": "src/prepare_pcap.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "252323527340657761663533910122171623862",
                "260503324751946141377959341044348678704",
                "266384485505044202640964179308171686210",
                "50520102943716079966685877244799051816"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-90778-1ac6a568",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/sipp/sipp/commit/369b3c187f0ff96f3ec9795650820e80cf17c776",
        "target": {
            "file": "include/prepare_pcap.h"
        }
    },
    {
        "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 
"2026-09-16T08:11:39Z"