VDB

CVE-2020-26970

CVE-2020-26970 PUBLISHED

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

EPSS 0.38% · 59.6th percentile

Risk Scores

EPSS Score
0.38%
59.6th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSthunderbird*, 1:52.9.1+build3-0ubuntu0.18.04.1, 1:60.2.1+build1-0ubuntu0.18.04.2
Ubuntu:20.04:LTSthunderbird1:68.1.2+build1-0ubuntu1, 1:68.1.2+build1-0ubuntu2, 1:68.2.1+build1-0ubuntu1

Timeline

  • Dec 9, 2020 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 22, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 27, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Sep 4, 2022 EPSS Score
  • Nov 5, 2022 EPSS Score
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