VDB

CVE-2020-12426

CVE-2020-12426 PUBLISHED CVSS 8.800000190734863 HIGH

Mozilla developers and community members reported memory safety bugs present in Firefox 77. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 78.

EPSS 1.61% · 75.7th percentile

Risk Scores

CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
1.61%
75.7th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox66.0.3+build1-0ubuntu0.16.04.1, 66.0.4+build3-0ubuntu0.16.04.1, 66.0.5+build1-0ubuntu0.16.04.1
Ubuntu:20.04:LTSfirefox75.0+build3-0ubuntu1, *, *
Ubuntu:20.04:LTSmozjs520, 52.9.1-1ubuntu3, 52.9.1-1build1
Ubuntu:20.04:LTSmozjs6868.5.0-2~fakesync, 68.5.0-1~fakesync, 0
Ubuntu:18.04:LTSthunderbird1:60.2.1+build1-0ubuntu0.18.04.2, 1:60.4.0+build2-0ubuntu0.18.04.1, 1:60.5.1+build2-0ubuntu0.18.04.1
Ubuntu:18.04:LTSfirefox*, 67.0.1+build1-0ubuntu0.18.04.1, 67.0.3+build1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSthunderbird*, *, 1:68.7.0+build1-0ubuntu2
Ubuntu:18.04:LTSmozjs5252.3.1-0ubuntu3, 52.9.1-0ubuntu0.18.04.1, 0
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu3, *, 38.8.0~repack1-0ubuntu4

Timeline

  • Jun 30, 2020 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 25, 2021 EPSS Score
  • Dec 30, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Mar 3, 2022 EPSS Score
  • May 5, 2022 EPSS Score
  • Jul 7, 2022 EPSS Score
  • Sep 9, 2022 EPSS Score
  • Nov 12, 2022 EPSS Score

References

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