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VULNERABILITIES

CVE-2021-34558 Details

Description

The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://golang.org/doc/devel/release#go1.16.minor CVERelease NotesVendor Advisory
https://groups.google.com/g/golang-announce CVEMailing ListThird Party Advisory
https://groups.google.com/g/golang-announce/c/n9FxMelZGAQ CVEMailing ListRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BA7MFVXRBEKRTLSLYDICTYCGEMK2HZ7/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3XBQUFVI5TMV4KMKI7GKA223LHGPQISE/ CVE

see all 32 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate Validation[email protected]

Affected Products

ProductVersions

Change History

17 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-34558
NVD Published Date:
Jul 15, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-34558 Details - Not Deferred