Out-of-Bounds Read Vulnerability in Go Language Parsing by Google
CVE-2021-38561

7.5HIGH

Key Information:

Vendor

Golang

Status
Text
Vendor
CVE Published:
26 December 2022

What is CVE-2021-38561?

The Go programming language's text processing library, golang.org/x/text, is susceptible to an out-of-bounds read during the parsing of BCP 47 language tags. Specifically, versions prior to 0.3.7 exhibit improper index calculation, leading to potential application crashes or service disruptions when handling untrusted user input. This vulnerability may serve as a vector for denial-of-service attacks, potentially impacting applications that rely on this library for language processing.

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References

https://groups.google.com/g/golang-announce
https://go.googlesource.com/text/+/383b2e75a7a4198c42f8f8...
https://deps.dev/advisory/OSV/GO-2021-0113

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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