CVE-2021-38561
HIGH
7.5
CVSS Score
Published: December 26, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:02 AM UTC
1 product affected across 1 vendorText
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Mailing ListPatchVendor Advisory
Source: [email protected]
https://go.googlesource.com/text/+/383b2e75a7a4198c42f8f87833eefb772868a56fMailing ListThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announceSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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