CVE catalog
CVE-2021-46463
ALPINE-
njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then().
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.68% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Alpine3.24 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.23 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.22 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.21 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.20 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.19 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.18 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.17 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.16 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
Provider details and historical evidence
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Alpine3.16 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.17 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.18 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.19 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.20 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.21 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.22 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.23 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
| Alpine3.24 | nginx | 1.20.2-r2 | Fixed | [ALPINE-CVE-2021-46463] |
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.16",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.17",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.18",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.19",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.20",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.21",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.22",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.23",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
},
{
"name": "nginx",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-r2"
}
]
}
],
"release": "3.24",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-46463",
"fixed_version": "1.20.2-r2",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2021-46463",
"provider_updated_at": "2026-10-23T17:17:56.231097628Z"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed: