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CVE-2021-31525

Good to know:

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Date: May 27, 2021

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.

Language: Go

Severity Score

Related Resources (13)

https://nvd.nist.gov/vuln/detail/CVE-2021-31525
https://go.googlesource.com/net/+/89ef3d95e781148a0951956029c92a211477f7f9
https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF/
https://access.redhat.com/security/cve/CVE-2021-31525
https://security.gentoo.org/glsa/202208-02
https://github.com/golang/go
https://github.com/golang/go/issues/45710
https://go.dev/issue/45710
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF
https://go.dev/cl/313069
https://pkg.go.dev/vuln/GO-2022-0236
https://www.mend.io/vulnerability-database/CVE-2021-31525

Severity Score

Weakness Type (CWE)

Uncontrolled Recursion

CWE-674

Top Fix

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Upgrade to version golang - v1.15.12,v1.16.4,v1.17.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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