{"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"}}}}

{}

{"affected": [{"affectedData": [{"product": "asterisk", "vendor": "asterisk", "versions": [{"status": "affected", "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"}]}, {"product": "certified-asterisk", "vendor": "asterisk", "versions": [{"status": "affected", "version": "< 20.7-cert11"}, {"status": "affected", "version": ">= 22.8-cert1-pre1, < 22.8-cert3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-57195", "lastModified": "2026-10-27T21:18:06.633", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-27T21:18:06.633", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/10c5b2efcacab03bf04a229f81cc24e76fe42c41"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/362ef847e7e057b7626e476ddcfe7328ea314db4"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/5d5d8d8ef7f16774820b1889ae73d8d2ab14af45"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/87a1f43e4c465b885163665aa89172ed0f392663"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/a1fcfdf9b91ed58cc8fb9da8d135da60bae7345d"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/abba42c58fee2226a709583afdbeec75cf1dde8b"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/fff89162cdd702e8a143701f138edd8dceab154f"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/20.20.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/21.12.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/22.10.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/23.4.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-3rhj-hhw7-m6fw"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}