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CVE-2021-22918 Details

Description

Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	CVE	PatchThird Party Advisory
https://hackerone.com/reports/1209681	CVE	ExploitThird Party Advisory
https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/	CVE	PatchVendor Advisory
https://security.gentoo.org/glsa/202401-23	CVE
https://security.netapp.com/advisory/ntap-20210805-0003/	CVE	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	[email protected]	PatchThird Party Advisory
https://hackerone.com/reports/1209681	[email protected]	ExploitThird Party Advisory
https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/	[email protected]	PatchVendor Advisory
https://security.gentoo.org/glsa/202401-23	[email protected]
https://security.netapp.com/advisory/ntap-20210805-0003/	[email protected]	Third Party Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
nodejs node.js	>= 12.0.0, < 12.22.2 >= 14.0.0, < 14.17.2 >= 16.0.0, < 16.4.1
CPE cpe:2.3:a:nodejs:node.js:::::-:::* Remediation No remediation found in references.
siemens sinec infrastructure network services	< 1.0.1.1
CPE cpe:2.3:a:siemens:sinec_infrastructure_network_services:::::::: Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 16, 2024	CVE Modified	[email protected]
Apr 6, 2022	Modified Analysis	[email protected]
Mar 10, 2022	CVE Modified	[email protected]
Sep 20, 2021	Modified Analysis	[email protected]
Aug 5, 2021	CVE Modified	[email protected]
Jul 20, 2021	Reanalysis	[email protected]
Jul 15, 2021	Initial Analysis	[email protected]