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CVE-2020-6821

Published: 07 April 2020

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
Upstream
Released (75.0)
Ubuntu 21.10 (Impish Indri)
Released (75.0+build3-0ubuntu1)
Ubuntu 21.04 (Hirsute Hippo)
Released (75.0+build3-0ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (75.0+build3-0ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (75.0+build3-0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (75.0+build3-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs38
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs52
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs60
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

mozjs68
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

thunderbird
Launchpad, Ubuntu, Debian
Upstream
Released (68.7.0)
Ubuntu 21.10 (Impish Indri)
Released (1:68.7.0+build1-0ubuntu1)
Ubuntu 21.04 (Hirsute Hippo)
Released (1:68.7.0+build1-0ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1:68.7.0+build1-0ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:68.7.0+build1-0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1:68.7.0+build1-0ubuntu0.16.04.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist