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CVE-2021-43542
Published: Dec 8, 2021
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Thunderbird | affected unspecified - < 91.4.0 |
Mozilla | Firefox ESR | affected unspecified - < 91.4.0 |
Mozilla | Firefox | affected unspecified - < 95 |
References
https://www.mozilla.org/security/advisories/mfsa2021-53/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-54/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-52/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1723281
x_refsource_MISC
DSA-5026
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update
mailing-list
x_refsource_MLIST
DSA-5034
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update
mailing-list
x_refsource_MLIST
GLSA-202202-03
vendor-advisory
x_refsource_GENTOO
GLSA-202208-14
vendor-advisory
x_refsource_GENTOO
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