CVE-2020-11993

Published: 07 August 2020

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
Upstream
Released (2.4.44)
Ubuntu 20.10 (Groovy Gorilla)
Released (2.4.46-1ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.4.41-4ubuntu3.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.4.29-1ubuntu4.14)
Ubuntu 16.04 LTS (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code not present)
Patches:
Upstream: https://svn.apache.org/r1879642
Upstream: https://github.com/apache/httpd/commit/63a0a87efa0925514d15c211b508f6594669888c