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CVE-2021-44716

Public on 2022-01-01
Modified on 2023-01-18
Description

There's an uncontrolled resource consumption flaw in golang's net/http library in the canonicalHeader() function. An attacker who submits specially crafted requests to applications linked with net/http's http2 functionality could cause excessive resource consumption that could lead to a denial of service or otherwise impact to system performance and resources.

Severity
Important
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CVSS v3 Base Score
7.5
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 golang 2022-04-25 15:59 ALAS-2022-1583
Amazon Linux 2 - Core golang 2022-04-25 03:47 ALAS2-2022-1776
Amazon Linux 2 - Core golang 2022-07-06 03:11 ALAS2-2022-1811
Amazon Linux 2023 golang 2023-02-17 20:45 ALAS2023-2023-048

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H