Description
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2863-1 | firefox-esr security update |
Debian DLA |
DLA-2874-1 | thunderbird security update |
Debian DSA |
DSA-5026-1 | firefox-esr security update |
Debian DSA |
DSA-5034-1 | thunderbird security update |
EUVD |
EUVD-2021-30471 | Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. |
Ubuntu USN |
USN-5186-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-5246-1 | Thunderbird vulnerabilities |
Ubuntu USN |
USN-5248-1 | Thunderbird vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-04T04:03:08.166Z
Reserved: 2021-11-08T00:00:00.000Z
Link: CVE-2021-43542
No data.
Status : Modified
Published: 2021-12-08T22:15:09.890
Modified: 2024-11-21T06:29:23.613
Link: CVE-2021-43542
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Ubuntu USN