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vuln-cve/data/2026/57xxx/CVE-2026-57188.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-57188",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-24T02:00:46.799Z",
"datePublished": "2026-10-27T17:55:29.170Z",
"dateUpdated": "2026-10-30T20:22:55.339Z"
},
"containers": {
"cna": {
"title": "Asterisk: Stack buffer overflow in res_xmpp XMPP namespace prefix handling",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"lang": "en",
"description": "CWE-787: Out-of-bounds Write",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-mxgm-8c6f-5p8f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-mxgm-8c6f-5p8f"
},
{
"name": "https://github.com/asterisk/asterisk/commit/12072a559f592736a44dd9fbe1594e84714edfb4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/12072a559f592736a44dd9fbe1594e84714edfb4"
},
{
"name": "https://github.com/asterisk/asterisk/commit/1328dbb503da4aa11a480a9c28e170f17e5f4e84",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/1328dbb503da4aa11a480a9c28e170f17e5f4e84"
},
{
"name": "https://github.com/asterisk/asterisk/commit/3c4b08cf94eeaa3faefb3ae6c2d6ce1bd9747a13",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/3c4b08cf94eeaa3faefb3ae6c2d6ce1bd9747a13"
},
{
"name": "https://github.com/asterisk/asterisk/commit/433102c16b8edfc31d28c96166fef03fe72fb923",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/433102c16b8edfc31d28c96166fef03fe72fb923"
},
{
"name": "https://github.com/asterisk/asterisk/commit/5e626250628b2579530f3f17e7b0aa37d082873b",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/5e626250628b2579530f3f17e7b0aa37d082873b"
},
{
"name": "https://github.com/asterisk/asterisk/commit/d570a85e45153a36919ace5d0ab06a195b30f9d1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/d570a85e45153a36919ace5d0ab06a195b30f9d1"
},
{
"name": "https://github.com/asterisk/asterisk/commit/e329a6803ac5214028f98cc5f0b7167d66e32c08",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/asterisk/asterisk/commit/e329a6803ac5214028f98cc5f0b7167d66e32c08"
},
{
"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": "2026-10-27T17:55:29.170Z"
},
"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 authenticated attacker may cause a stack buffer overflow in `res_xmpp` `XMPP namespace prefix` handling using carefully crafted packets. The `res_xmpp` module must be loaded, an XMPP connection must be configured in `xmpp.conf`, and the attacker must have an XMPP account on the same or a federated server. 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-mxgm-8c6f-5p8f",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-30T20:22:47.977672Z",
"id": "CVE-2026-57188",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-30T20:22:55.339Z"
}
}
]
}
}
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