CVE-2021-20231

Published: 12 March 2021

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.

Priority

Low

CVSS 3 base score: 9.8

Status

Package Release Status
gnutls28
Launchpad, Ubuntu, Debian
Upstream
Released (3.7.1-1)
Ubuntu 21.04 (Hirsute Hippo) Needed

Ubuntu 20.10 (Groovy Gorilla) Needed

Ubuntu 20.04 LTS (Focal Fossa) Needed

Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code not present)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://gitlab.com/gnutls/gnutls/-/commit/15beb4b193b2714d88107e7dffca781798684e7e