CVE-2023-25076

A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary code execution. An attacker could send a malicious packet to trigger this vulnerability.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25076.json",
    "cwe_ids": [
        "CWE-120"
    ],
    "cna_assigner": "talos",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.6.0-2"
                },
                {
                    "last_affected": "0.6.0-2"
                },
                {
                    "introduced": "Master 822bb80df9b7b345cc9eba55df74a07b498819ba"
                },
                {
                    "last_affected": "Master 822bb80df9b7b345cc9eba55df74a07b498819ba"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}

References

Affected packages

Git / github.com/dlundquist/sniproxy

Affected ranges

Type

GIT

Repo

https://github.com/dlundquist/sniproxy

Events

Introduced

f8d9a433fe22ab2fa15c00179048ab02ae23d583

Fixed

f8d9a433fe22ab2fa15c00179048ab02ae23d583

Database specific

{
    "extracted_events": [
        {
            "introduced": "0.6.1"
        },
        {
            "last_affected": "0.6.1"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:sniproxy_project:sniproxy:0.6.1:*:*:*:*:*:*:*"
}

Affected versions

0.*

0.6.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-25076.json"

vanir_signatures_modified

"2026-07-22T02:24:41Z"

vanir_signatures

[
    {
        "digest": {
            "line_hashes": [
                "138289543668888041713044531663319349476",
                "212909470280196749271392918238573764830",
                "263280346834296647149550233130201968128",
                "192356876502373812635224961273018974547"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-25076-485dc03c",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583",
        "signature_type": "Line",
        "target": {
            "file": "src/address.c"
        }
    },
    {
        "digest": {
            "function_hash": "11457737832399041380681785089784245979",
            "length": 2408.0
        },
        "id": "CVE-2023-25076-a3681126",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583",
        "signature_type": "Function",
        "target": {
            "function": "new_address",
            "file": "src/address.c"
        }
    }
]