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CVE-2022-41723

Published: Feb 28, 2023

Modified: May 5, 2025

PUBLISHED

Description

A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.

Vendor	Product	Versions
Go standard library	net/http	affected `0 - < 1.19.6` affected `1.20.0-0 - < 1.20.1`
golang.org/x/net	golang.org/x/net/http2	affected `0 - < 0.7.0`
golang.org/x/net	golang.org/x/net/http2/hpack	affected `0 - < 0.7.0`

References

https://go.dev/issue/57855

https://go.dev/cl/468135

https://go.dev/cl/468295

https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E

https://pkg.go.dev/vuln/GO-2023-1571

https://lists.fedoraproject.org/archives/list/[email protected]/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC/

https://lists.fedoraproject.org/archives/list/[email protected]/message/RLBQ3A7ROLEQXQLXFDLNJ7MYPKG5GULE/

https://lists.fedoraproject.org/archives/list/[email protected]/message/RGW7GE2Z32ZT47UFAQFDRQE33B7Q7LMT/

https://lists.fedoraproject.org/archives/list/[email protected]/message/XX3IMUTZKRQ73PBZM4E2JP4BKYH4C6XE/

https://www.couchbase.com/alerts/

https://lists.fedoraproject.org/archives/list/[email protected]/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2/

https://lists.fedoraproject.org/archives/list/[email protected]/message/T7N5GV4CHH6WAGX3GFMDD3COEOVCZ4RI/

https://lists.fedoraproject.org/archives/list/[email protected]/message/REMHVVIBDNKSRKNOTV7EQSB7CYQWOUOU/

https://security.gentoo.org/glsa/202311-09

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CVE-2022-41723 - Security Vulnerability | QwikSec