CVE-2022-41717

NameCVE-2022-41717
DescriptionAn attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-1.11 (PTS)buster, buster (security)1.11.6-1+deb10u4vulnerable
golang-1.15 (PTS)bullseye1.15.15-1~deb11u4vulnerable
golang-1.18 (PTS)bookworm, sid1.18.10-1fixed
golang-1.19 (PTS)bookworm, sid1.19.5-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golang-1.11source(unstable)(unfixed)
golang-1.15source(unstable)(unfixed)
golang-1.18source(unstable)1.18.9-1
golang-1.19source(unstable)1.19.4-1

Notes

https://groups.google.com/g/golang-announce/c/L_3rmdT0BMU
https://go.dev/issue/56350
https://github.com/golang/go/commit/618120c165669c00a1606505defea6ca755cdc27 (go1.19.4)
https://github.com/golang/go/commit/76cad4edc29d28432a7a0aa27e87385d3d7db7a1 (go1.18.9)

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