CVE-2021-31525

Description

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc third party advisory mailing list
https://github.com/golang/go/issues/45710 patch third party advisory issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF/ vendor advisory
https://security.gentoo.org/glsa/202208-02 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31525?
CVE-2021-31525 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31525?
To fix CVE-2021-31525, 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-2021-31525 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31525 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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