Vulnerability CVE-2020-12407: Information

Description

Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Published: July 9, 2020
Modified: July 21, 2021
Error type identifier: CWE-125

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
firefoxsisyphus77.0.1-alt1125.0.2-alt1ALT-PU-2020-2127-1252902Fixed
firefoxp1077.0.1-alt1118.0.2-alt0.p10.1ALT-PU-2020-2127-1252902Fixed
firefoxp980.0.1-alt0.1.p9105.0.1-alt0.c9.1ALT-PU-2020-3442-1262506Fixed
firefoxc10f177.0.1-alt1112.0.2-alt0.p10.1ALT-PU-2020-2127-1252902Fixed
firefoxc9f293.0-alt0.p9.1105.0.1-alt0.c9.1ALT-PU-2021-3368-1288792Fixed
firefox-esrsisyphus78.0.2-alt1115.10.0-alt1ALT-PU-2020-2408-1255107Fixed
firefox-esrp1078.0.2-alt1115.10.0-alt1ALT-PU-2020-2408-1255107Fixed
firefox-esrp978.3.0-alt0.1.p9102.11.0-alt0.c9.1ALT-PU-2020-2933-1254920Fixed
firefox-esrc10f178.0.2-alt1115.9.1-alt0.c10.1ALT-PU-2020-2408-1255107Fixed
firefox-esrc9f278.7.1-alt0.1.c9102.12.0-alt0.c9.1ALT-PU-2021-1368-1264611Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2020-20/
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1637112
  • Issue Tracking
  • Permissions Required
  • Vendor Advisory
    1. Configuration 1

      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      End excliding
      77.0