CVE-2021-38561

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory googlesource.com Vendor Advisory go.dev
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/g/golang-announce third party advisory mailing list
https://go.googlesource.com/text/+/383b2e75a7a4198c42f8f87833eefb772868a56f patch vendor advisory mailing list
https://deps.dev/advisory/OSV/GO-2021-0113 third party advisory patch
https://pkg.go.dev/golang.org/x/text/language product vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-38561?
CVE-2021-38561 has been scored as a high severity vulnerability.
How to fix CVE-2021-38561?
To fix CVE-2021-38561, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38561 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38561 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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