{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57194", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-24T02:00:46.800Z", "datePublished": "2026-10-27T16:52:47.225Z", "dateUpdated": "2026-10-27T16:52:47.225Z"}, "containers": {"cna": {"title": "Asterisk: chan_unistim DIALPAGE digit handling can overflow phone_number and crash Asterisk", "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/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-3g56-cgrh-95p5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-3g56-cgrh-95p5"}, {"name": "https://github.com/asterisk/asterisk/commit/430f423c84e4e32a462d907632b66c9793236e96", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/430f423c84e4e32a462d907632b66c9793236e96"}, {"name": "https://github.com/asterisk/asterisk/commit/6da8e10c210d8e014c27c67235252e1dfc794446", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/6da8e10c210d8e014c27c67235252e1dfc794446"}, {"name": "https://github.com/asterisk/asterisk/commit/6f414ec771eaa3318a4b2d28f70fa387196ae283", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/6f414ec771eaa3318a4b2d28f70fa387196ae283"}, {"name": "https://github.com/asterisk/asterisk/commit/ce6e2233599b76bc30c33b4816b15609c8ddc8b6", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/ce6e2233599b76bc30c33b4816b15609c8ddc8b6"}, {"name": "https://github.com/asterisk/asterisk/commit/d803b5370b05f39a6241b2556eb9894b02148e6a", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/d803b5370b05f39a6241b2556eb9894b02148e6a"}, {"name": "https://github.com/asterisk/asterisk/commit/fc3a1cb3c386c962bfca8cd9d533d1390d4ad933", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/fc3a1cb3c386c962bfca8cd9d533d1390d4ad933"}, {"name": "https://github.com/asterisk/asterisk/commit/ff65e4b0867bee12cdcb3a6219b976ee7ee08963", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/ff65e4b0867bee12cdcb3a6219b976ee7ee08963"}, {"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": "2026-10-27T16:52:47.225Z"}, "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, an out-of-bounds write in `chan_unistim` `DIALPAGE` digit handling can overflow the `phone_number` field and crash Asterisk when an attacker sends a carefully crafted incoming request packet. The `chan_unistim` module must be loaded and configured with a valid `UNISTIM UDP port` that the attacker can reach. The attacker must register as a configured `phone MAC`, or the deployment must have an equivalent `production/autoprovisioning` path that allows the client to reach the main page. 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-3g56-cgrh-95p5", "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, an out-of-bounds write in `chan_unistim` `DIALPAGE` digit handling can overflow the `phone_number` field and crash Asterisk when an attacker sends a carefully crafted incoming request packet. The `chan_unistim` module must be loaded and configured with a valid `UNISTIM UDP port` that the attacker can reach. The attacker must register as a configured `phone MAC`, or the deployment must have an equivalent `production/autoprovisioning` path that allows the client to reach the main page. 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-2026-57194", "lastModified": "2026-10-27T17:17:01.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-27T17:17:01.620", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/430f423c84e4e32a462d907632b66c9793236e96"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/6da8e10c210d8e014c27c67235252e1dfc794446"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/6f414ec771eaa3318a4b2d28f70fa387196ae283"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/ce6e2233599b76bc30c33b4816b15609c8ddc8b6"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/d803b5370b05f39a6241b2556eb9894b02148e6a"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/fc3a1cb3c386c962bfca8cd9d533d1390d4ad933"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/ff65e4b0867bee12cdcb3a6219b976ee7ee08963"}, {"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-3g56-cgrh-95p5"}, {"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-787"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,20.20.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[21.0.0-pre1,21.12.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[22.0.0-pre1,22.10.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[23.0.0-pre1,23.4.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "asterisk", "source": "cna", "vendor": "asterisk"}, "product": "asterisk", "vendor": "asterisk"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "< 20.7-cert11"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": ">= 22.8-cert1-pre1, < 22.8-cert3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "certified-asterisk", "source": "cna", "vendor": "asterisk"}, "product": "certified_asterisk", "vendor": "asterisk"}], "created": "2026-10-27T19:00:08.935563+00:00", "updated": "2026-10-27T20:30:08.573513+00:00", "vendors": ["asterisk", "asterisk$PRODUCT$asterisk", "asterisk$PRODUCT$certified_asterisk"]}