CVE-2021-46461

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Source
https://cve.org/CVERecord?id=CVE-2021-46461
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46461.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-46461
Downstream
ALPINE (1)
BELL (1)
CLEANSTART (7)
Published
2022-02-14T22:15:07Z
Modified
2026-07-09T01:25:09Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

References

Affected packages

Git / github.com/nginx/njs

Affected ranges

Type
GIT
Repo
https://github.com/nginx/njs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
376b540b9692c61c1a17b78c65192287b60d8e15
Fixed
d457c9545e7e71ebb5c0479eb16b9d33175855e2
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.7.0"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.1.0
0.1.1
0.1.10
0.1.11
0.1.12
0.1.13
0.1.14
0.1.15
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9
0.2.0
0.2.1
0.2.2
0.2.3
0.2.4
0.2.5
0.2.6
0.2.7
0.2.8
0.3.0
0.3.1
0.3.2
0.3.3
0.3.4
0.3.5
0.3.6
0.3.7
0.3.8
0.3.9
0.4.0
0.4.1
0.4.2
0.4.3
0.4.4
0.5.0
0.5.1
0.5.2
0.5.3
0.6.0
0.6.1
0.6.2
0.7.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46461.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "9392468354405660206887983019685688929",
            "length":  792
        },
        "id":  "CVE-2021-46461-501009d4",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2",
        "target":  {
            "file":  "src/njs_vmcode.c",
            "function":  "njs_vmcode_typeof"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "98564410132262592793995109969660261770",
                "147510133104760375677726348496773441530",
                "205029457978295310357353176216532695880"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2021-46461-f49df53d",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2",
        "target":  {
            "file":  "src/test/njs_unit_test.c"
        }
    }
]
vanir_signatures_modified 
"2026-07-09T01:25:09Z"