Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2021-31525

Public on 2021-05-27
Modified on 2021-07-12
Description

A vulnerability detects in net/http of the Go standard library when parsing very large HTTP header values, causing a crash and subsequent denial of service. This vulnerability affects both clients and servers written in Go, however, servers are only vulnerable if the default 1 MB value for MaxHeaderBytes is increased.

Severity
Medium
See what this means
CVSS v3 Base Score
5.9
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 golang 2021-07-08 18:38 ALAS-2021-1512
Amazon Linux 2 - Core golang 2021-06-16 20:37 ALAS2-2021-1657

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 2.6 AV:N/AC:H/Au:N/C:N/I:N/A:P
NVD CVSSv3 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H