VDB

CVE-2020-15656

CVE-2020-15656 PUBLISHED CVSS 8.800000190734863 HIGH

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

EPSS 1.52% · 74.6th 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
1.52%
74.6th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox62.0+build2-0ubuntu0.16.04.5, 62.0.3+build1-0ubuntu0.16.04.2, 63.0+build2-0ubuntu0.16.04.2
Ubuntu:20.04:LTSthunderbird1:68.3.1+build1-0ubuntu2, 1:68.7.0+build1-0ubuntu2, 0
Ubuntu:20.04:LTSmozjs520, 52.9.1-1build1, 52.9.1-1ubuntu3
Ubuntu:20.04:LTSmozjs6868.5.0-2~fakesync, 0, 68.5.0-1~fakesync
Ubuntu:18.04:LTSthunderbird1:60.5.1+build2-0ubuntu0.18.04.1, 1:60.7.1+build1-0ubuntu0.18.04.1, 0
Ubuntu:18.04:LTSfirefox68.0+build3-0ubuntu0.18.04.1, 68.0.1+build1-0ubuntu0.18.04.1, 68.0.2+build1-0ubuntu0.18.04.1
Ubuntu:18.04:LTSmozjs520, 52.9.1-0ubuntu0.18.04.1, 52.8.1-0ubuntu0.18.04.1
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu4
Ubuntu:20.04:LTSfirefox70.0+build2-0ubuntu1, 0, 69.0.3+build1-0ubuntu1

Timeline

  • Jul 29, 2020 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 26, 2021 EPSS Score
  • Dec 30, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Mar 3, 2022 EPSS Score
  • May 6, 2022 EPSS Score
  • Jul 8, 2022 EPSS Score
  • Sep 10, 2022 EPSS Score
  • Nov 12, 2022 EPSS Score

References

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