VDB

DEBIAN-CVE-2021-43528

DEBIAN-CVE-2021-43528 PUBLISHED CVSS 6.5 MEDIUM

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.

Risk Scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Products

VendorProductVersions
Debian:13thunderbird0, 0, 0
Debian:12thunderbird0, 0, 0
Debian:14thunderbird0, 0, 0
Debian:11thunderbird78.14.0-1, 78.14.0-1, 84.0

Timeline

  • Dec 8, 2021 CVE Published
  • Apr 28, 2026 CVE Updated
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