CVE-2021-46463

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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().

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-843

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Feb 14, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-464745.5Jsish v3.5.0 was discovered to contain a heap buffer overflow via jsiEvalCodeSub in src/jsiEval.c. This vulnerability can lead to a Denial oCVE-2021-464755.5Jsish v3.5.0 was discovered to contain a heap buffer overflow via jsi_ArraySliceCmd in src/jsiArray.c. This vulnerability can lead to a DeniCVE-2021-464775.5Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a DeCVE-2021-464785.5Jsish v3.5.0 was discovered to contain a heap buffer overflow via jsiClearStack in src/jsiEval.c. This vulnerability can lead to a Denial ofCVE-2021-464805.5Jsish v3.5.0 was discovered to contain a heap buffer overflow via jsiValueObjDelete in src/jsiEval.c. This vulnerability can lead to a DeniaCVE-2021-464815.5Jsish v3.5.0 was discovered to contain a memory leak via linenoise at src/linenoise.c.CVE-2021-464827.8Jsish v3.5.0 was discovered to contain a heap buffer overflow via NumberConstructor at src/jsiNumber.c.CVE-2021-464837.8Jsish v3.5.0 was discovered to contain a heap buffer overflow via BooleanConstructor at src/jsiBool.c.CVE-2021-464845.5Jsish v3.5.0 was discovered to contain a heap-use-after-free via Jsi_IncrRefCount in src/jsiValue.c. This vulnerability can lead to a DenialCVE-2021-464855.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via Jsi_ValueIsNumber at src/jsiValue.c. This vulnerability can lead to a DenialCVE-2021-464865.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via jsi_ArraySpliceCmd at src/jsiArray.c. This vulnerability can lead to a DeniaCVE-2021-464875.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x18e506. This vulnerability can lead to a D
CVE-2021-46463: Critical severity, CVSS 9.8 | Vulnix