CVE-2022-30634

Name: CVE-2022-30634
Creator: NVD / NIST
Published: 2022-07-15T20:15:08.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2022-30634 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Infinite loop in Read in crypto/rand before Go 1.17.11 and Go 1.18.3 on Windows allows attacker to cause an indefinite hang by passing a buffer larger than 1 << 32 - 1 bytes.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

Infinite loop in Read in crypto/rand before Go 1.17.11 and Go 1.18.3 on Windows allows attacker to cause an indefinite hang by passing a buffer larger than 1 << 32 - 1 bytes.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Golang	Go	< 1.17.11
Golang	Go	>= 1.18.0, < 1.18.3
Netapp	Cloud Insights Telegraf Agent	All versions

References

https://go.dev/cl/402257Patch
https://go.dev/issue/52561Exploit, Issue Tracking
https://go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863Mailing List, Patch
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJMailing List, Third Party Advisory
https://pkg.go.dev/vuln/GO-2022-0477Third Party Advisory
https://go.dev/cl/402257Patch
https://go.dev/issue/52561Exploit, Issue Tracking
https://go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863Mailing List, Patch
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJMailing List, Third Party Advisory
https://pkg.go.dev/vuln/GO-2022-0477Third Party Advisory

Timeline

Published: Jul 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-30634?

Infinite loop in Read in crypto/rand before Go 1.17.11 and Go 1.18.3 on Windows allows attacker to cause an indefinite hang by passing a buffer larger than 1 << 32 - 1 bytes.

How severe is CVE-2022-30634?

CVE-2022-30634 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2022-30634?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-30634?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST