{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-57195",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-24T02:00:46.800Z",
        "datePublished": "2026-10-27T21:04:25.747Z",
        "dateUpdated": "2026-10-27T21:04:25.747Z"
    },
    "containers": {
        "cna": {
            "title": "Asterisk: NULL Pointer Dereference in HTTP AMI Digest Authentication",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-476",
                            "lang": "en",
                            "description": "CWE-476: NULL Pointer Dereference",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-3rhj-hhw7-m6fw",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-3rhj-hhw7-m6fw"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/10c5b2efcacab03bf04a229f81cc24e76fe42c41",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/10c5b2efcacab03bf04a229f81cc24e76fe42c41"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/362ef847e7e057b7626e476ddcfe7328ea314db4",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/362ef847e7e057b7626e476ddcfe7328ea314db4"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/5d5d8d8ef7f16774820b1889ae73d8d2ab14af45",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/5d5d8d8ef7f16774820b1889ae73d8d2ab14af45"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/87a1f43e4c465b885163665aa89172ed0f392663",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/87a1f43e4c465b885163665aa89172ed0f392663"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/a1fcfdf9b91ed58cc8fb9da8d135da60bae7345d",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/a1fcfdf9b91ed58cc8fb9da8d135da60bae7345d"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/abba42c58fee2226a709583afdbeec75cf1dde8b",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/abba42c58fee2226a709583afdbeec75cf1dde8b"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/commit/fff89162cdd702e8a143701f138edd8dceab154f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/commit/fff89162cdd702e8a143701f138edd8dceab154f"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/20.20.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/20.20.1"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/21.12.3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/21.12.3"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/22.10.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/22.10.1"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/23.4.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/23.4.1"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3"
                },
                {
                    "name": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1"
                }
            ],
            "affected": [
                {
                    "vendor": "asterisk",
                    "product": "asterisk",
                    "versions": [
                        {
                            "version": "< 20.20.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 21.0.0-pre1, < 21.12.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 22.0.0-pre1, < 22.10.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 23.0.0-pre1, < 23.4.1",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "asterisk",
                    "product": "certified-asterisk",
                    "versions": [
                        {
                            "version": "< 20.7-cert11",
                            "status": "affected"
                        },
                        {
                            "version": ">= 22.8-cert1-pre1, < 22.8-cert3",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-10-27T21:04:25.747Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, a NULL pointer dereference in the `Asterisk Manager Interface (AMI)` may allow an unauthenticated attacker to crash Asterisk when `Digest Authentication` is used via `HTTP`. The Asterisk `HTTP` web server, AMI, and AMI access via `HTTP` must all be enabled; each is disabled by default. The attacker must be able to connect to the `HTTP` server, which binds only to `127.0.0.1` by default even when enabled. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3."
                }
            ],
            "source": {
                "advisory": "GHSA-3rhj-hhw7-m6fw",
                "discovery": "UNKNOWN"
            }
        }
    }
}