Improper Privilege Management Affecting thunderbird package, versions <0:91.4.0-2.el8_5.alma.plus


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.27% (66th percentile)

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  • Snyk IDSNYK-ALMALINUX8-THUNDERBIRD-5625044
  • published28 May 2023
  • disclosed9 Dec 2021

Introduced: 9 Dec 2021

CVE-2021-43528  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 thunderbird to version 0:91.4.0-2.el8_5.alma.plus or higher.
This issue was patched in ALSA-2021:5045.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.

CVSS Base Scores

version 3.1