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CVE-2021-38561

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Date: December 25, 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.

Language: Go

Severity Score

Related Resources (9)

https://access.redhat.com/security/cve/CVE-2021-38561
https://groups.google.com/g/golang-announce
https://pkg.go.dev/vuln/GO-2021-0113
https://nvd.nist.gov/vuln/detail/CVE-2021-38561
https://go.googlesource.com/text/+/383b2e75a7a4198c42f8f87833eefb772868a56f
https://pkg.go.dev/golang.org/x/text/language
https://deps.dev/advisory/OSV/GO-2021-0113
https://go.dev/cl/340830
https://www.mend.io/vulnerability-database/CVE-2021-38561

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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