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CVE-2021-25122

Published: 1 March 2021

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Notes

AuthorNote
leosilva
tomcat6 is out of support , marking tomcat6 for precise as ignored.
mdeslaur
tomcat 8.0 doesn't support HTTP/2, marking as not-affected
Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
tomcat6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Ignored

trusty Needs triage

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
tomcat7
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist

trusty Needs triage

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
tomcat8
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/apache/tomcat/commit/bb0e7c1e0d737a0de7d794572517bce0e91d30fa

tomcat9
Launchpad, Ubuntu, Debian
bionic
Released (9.0.16-3ubuntu0.18.04.2)
focal
Released (9.0.31-1ubuntu0.2)
groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

kinetic Needs triage

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:

upstream: https://github.com/apache/tomcat/commit/d47c20a776e8919eaca8da9390a32bc8bf8210b1