CVE-2019-11745

Published: 25 November 2019

When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (71.0)
Ubuntu 20.04 LTS (Focal Fossa)
Released (71.0+build5-0ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (71.0+build5-0ubuntu0.18.04.1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (71.0+build5-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Ubuntu 12.04 ESM (Precise Pangolin) Does not exist

nss
Launchpad, Ubuntu, Debian
Upstream
Released (3.44.3,3.47.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2:3.47-1ubuntu2)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2:3.35-2ubuntu2.5)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2:3.28.4-0ubuntu0.16.04.8)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2:3.28.4-0ubuntu0.14.04.5+esm2)
Ubuntu 12.04 ESM (Precise Pangolin)
Released (2:3.28.4-0ubuntu0.12.04.5)
Patches:
Upstream: https://hg.mozilla.org/projects/nss/rev/1e22a0c93afe9f46545560c86caedef9dab6cfda (master)
Upstream: https://hg.mozilla.org/projects/nss/rev/60bca7c6dc6dc44579b9b3e0fb62ca3b82d92eec (3.44)
Upstream: https://hg.mozilla.org/projects/nss/rev/4c20de402b3901df0cde590a46be2ba49adc028e (3.47)
thunderbird
Launchpad, Ubuntu, Debian
Upstream
Released (68.3)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1:68.3.0+build2-0ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:68.4.1+build1-0ubuntu0.18.04.1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (1:68.7.0+build1-0ubuntu0.16.04.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Ubuntu 12.04 ESM (Precise Pangolin) Does not exist