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CVE-2022-41717

Published: 8 December 2022

An 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.

Notes

AuthorNote
mdeslaur
Packages built using golang need to be rebuilt once the
vulnerability has been fixed. This CVE entry does not
list packages that need rebuilding outside of the main
repository or the Ubuntu variants with PPA overlays.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
golang-1.13
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (1.13.8-1ubuntu1~16.04.3+esm3)
Available with Ubuntu Pro
mantic Does not exist

bionic
Released (1.13.8-1ubuntu1~18.04.4+esm1)
Available with Ubuntu Pro
focal
Released (1.13.8-1ubuntu1.2)
jammy
Released (1.13.8-1ubuntu2.22.04.2)
golang-1.18
Launchpad, Ubuntu, Debian
xenial
Released (1.18.1-1ubuntu1~16.04.4)
Available with Ubuntu Pro
kinetic Does not exist

lunar Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

bionic
Released (1.18.1-1ubuntu1~18.04.4)
focal
Released (1.18.1-1ubuntu1~20.04.2)
jammy
Released (1.18.1-1ubuntu1.1)
mantic Does not exist

golang-1.14
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

golang-1.16
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
bionic
Released (1.16.2-0ubuntu1~18.04.2+esm1)
Available with Ubuntu Pro
focal
Released (1.16.2-0ubuntu1~20.04.1)
golang-1.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
golang-1.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

golang-1.8
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

bionic Needed

golang-1.9
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

bionic Needed

golang
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
golang-1.10
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L