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.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2874-1 thunderbird security update
Debian DSA Debian DSA DSA-5034-1 thunderbird security update
EUVD EUVD EUVD-2021-30457 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.
Ubuntu USN Ubuntu USN USN-5246-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-5248-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T03:55:29.399Z

Reserved: 2021-11-08T00:00:00.000Z

Link: CVE-2021-43528

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-08T22:15:09.210

Modified: 2024-11-21T06:29:21.643

Link: CVE-2021-43528

cve-icon Redhat

Severity : Low

Publid Date: 2021-12-07T00:00:00Z

Links: CVE-2021-43528 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses