golang.org/x/net/http2 Denial of Service vulnerability

HIGH 7.5CVE-2022-27664 · BIT-golang-2022-27664 · GHSA-69cg-p879-7622 · Published 06/09/2022 · updated 17/06/2026

In short

CVE-2022-27664 is a HIGH (CVSS 7.5) vulnerability affecting golang.org/x/net, golang.org/x/net/http2, stdlib.
Chance of exploitation in the next 30 days (EPSS): 3.5%, higher than 89.1% of all vulnerabilities.
Fix: update to 0.0.0-20220906165146-f3363e06e74c, 1.19.1, 1.18.6 or later.

Package	Affected versions	Patched versions
golang.org/x/net Go	`< 0.0.0-20220906165146-f3363e06e74c`	`0.0.0-20220906165146-f3363e06e74c`
golang.org/x/net/http2 Go	`< 0.0.0-20220906165146-f3363e06e74c`	`0.0.0-20220906165146-f3363e06e74c`
stdlib Go	`≥ 1.19.0-0, < 1.19.1< 1.18.6`	`1.19.11.18.6`
go golang	`= 1.19.0< 1.18.6`	`1.18.6`

Description

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.

NVD description

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.

References

nvd.nist.gov/vuln/detail/CVE-2022-27664 · ADVISORY
cs.opensource.google/go/x/net · PACKAGE
go.dev/cl/428735 · WEB
go.dev/issue/54658 · WEB
groups.google.com/g/golang-announce · WEB
groups.google.com/g/golang-announce/c/x49AQzIVX-s · WEB
lists.fedoraproject.org/archives/list/[email protected]/message/JXKTHIGE5F576MAPFYCIJXNRGBSPISUF · WEB
lists.fedoraproject.org/archives/list/[email protected]/message/TXS2OQ57KZC5XZKK5UW4SYKPVQAHIOJX · WEB
pkg.go.dev/vuln/GO-2022-0969 · WEB
security.gentoo.org/glsa/202209-26 · WEB
security.netapp.com/advisory/ntap-20220923-0004 · WEB

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Package

Affected versions

Patched versions

golang.org/x/net

< 0.0.0-20220906165146-f3363e06e74c

0.0.0-20220906165146-f3363e06e74c

golang.org/x/net/http2

< 0.0.0-20220906165146-f3363e06e74c

0.0.0-20220906165146-f3363e06e74c

stdlib

≥ 1.19.0-0, < 1.19.1< 1.18.6

1.19.11.18.6

golang

= 1.19.0< 1.18.6

1.18.6

Description

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.

NVD description

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.

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