CVE-2021-34558

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Source
https://cve.org/CVERecord?id=CVE-2021-34558
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-34558.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-34558
Aliases
Downstream
Related
Published
2021-07-15T14:15:19.660Z
Modified
2026-03-20T11:41:51.244742Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/golang/go

Affected ranges

Type
GIT
Repo
https://github.com/golang/go
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c6d89dbf9954b101589e2db8e170b84167782109
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
bc51e930274a5d5835ac8797978afc0864c9e30c
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.15.14"
        },
        {
            "introduced": "1.16.0"
        },
        {
            "fixed": "1.16.6"
        }
    ]
}

Affected versions

go1.*
go1.10beta1
go1.10beta2
go1.10rc1
go1.10rc2
go1.11beta1
go1.11beta2
go1.11beta3
go1.12beta1
go1.12beta2
go1.13beta1
go1.14beta1
go1.15
go1.15.1
go1.15.10
go1.15.11
go1.15.12
go1.15.13
go1.15.2
go1.15.3
go1.15.4
go1.15.5
go1.15.6
go1.15.7
go1.15.8
go1.15.9
go1.15beta1
go1.15rc1
go1.15rc2
go1.16
go1.16.1
go1.16.2
go1.16.3
go1.16.4
go1.16.5
go1.16beta1
go1.16rc1
go1.3beta1
go1.3beta2
go1.4beta1
go1.5beta1
go1.5beta2
go1.5beta3
go1.6beta1
go1.6beta2
go1.7beta1
go1.7beta2
go1.7rc1
go1.7rc2
go1.7rc3
go1.7rc4
go1.8beta1
go1.8beta2
go1.9beta1
go1.9beta2
release.*
release.r56
Other
weekly
weekly.*
weekly.2009-11-06
weekly.2009-11-10
weekly.2009-11-10.1
weekly.2009-11-12
weekly.2009-11-17
weekly.2009-12-07
weekly.2009-12-09
weekly.2009-12-22
weekly.2010-01-05
weekly.2010-01-13
weekly.2010-01-27
weekly.2010-02-04
weekly.2010-02-17
weekly.2010-02-23
weekly.2010-03-04
weekly.2010-03-15
weekly.2010-03-22
weekly.2010-03-30
weekly.2010-04-13
weekly.2010-04-27
weekly.2010-05-04
weekly.2010-05-27
weekly.2010-06-09
weekly.2010-06-21
weekly.2010-07-01
weekly.2010-07-14
weekly.2010-07-29
weekly.2010-08-04
weekly.2010-08-11
weekly.2010-08-25
weekly.2010-09-06
weekly.2010-09-15
weekly.2010-09-22
weekly.2010-09-29
weekly.2010-10-13
weekly.2010-10-13.1
weekly.2010-10-20
weekly.2010-10-27
weekly.2010-11-02
weekly.2010-11-10
weekly.2010-11-23
weekly.2010-12-02
weekly.2010-12-08
weekly.2010-12-15
weekly.2010-12-15.1
weekly.2010-12-22
weekly.2011-01-06
weekly.2011-01-12
weekly.2011-01-19
weekly.2011-01-20
weekly.2011-02-01
weekly.2011-02-01.1
weekly.2011-02-15
weekly.2011-02-24
weekly.2011-03-07
weekly.2011-03-07.1
weekly.2011-03-15
weekly.2011-03-28
weekly.2011-04-04
weekly.2011-04-13
weekly.2011-04-27
weekly.2011-05-22
weekly.2011-06-02
weekly.2011-06-09
weekly.2011-06-16
weekly.2011-06-23
weekly.2011-07-07
weekly.2011-07-19
weekly.2011-07-29
weekly.2011-08-10
weekly.2011-08-17
weekly.2011-09-01
weekly.2011-09-07
weekly.2011-09-16
weekly.2011-09-21
weekly.2011-10-06
weekly.2011-10-18
weekly.2011-10-25
weekly.2011-10-26
weekly.2011-11-01
weekly.2011-11-02
weekly.2011-11-08
weekly.2011-11-09
weekly.2011-11-18
weekly.2011-12-01
weekly.2011-12-02
weekly.2011-12-06
weekly.2011-12-14
weekly.2011-12-22
weekly.2012-01-15
weekly.2012-01-20
weekly.2012-01-27
weekly.2012-02-07
weekly.2012-02-14
weekly.2012-02-22
weekly.2012-03-04
weekly.2012-03-13
weekly.2012-03-22
weekly.2012-03-27

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-34558.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "21.1.1.1.0"
            }
        ]
    }
]