Vulnerability DatabaseCVE-2021-38561
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CVE-2021-38561
December 26, 2022
golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack.
Affected Packages
golang.org/x/text (GO):
Affected version(s) >=v0.0.0-20130306215733-377f66efdb2c <v0.3.7
Fix Suggestion:
Update to version v0.3.7
Related Resources (8)
https://pkg.go.dev/golang.org/x/text/language
https://go.googlesource.com/text/+/383b2e75a7a4198c42f8f87833eefb772868a56f
https://access.redhat.com/security/cve/CVE-2021-38561
https://nvd.nist.gov/vuln/detail/CVE-2021-38561
https://go.dev/cl/340830
https://deps.dev/advisory/OSV/GO-2021-0113
https://pkg.go.dev/vuln/GO-2021-0113
https://groups.google.com/g/golang-announce
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.05