Products

Thunderbird

• < 128.3

• < 131

Firefox

• < 131

• ESR < 128.3

Source

security@mozilla.org

Published : Oct. 1, 2024, 4:15 p.m.
Last Modified : Oct. 1, 2024, 4:15 p.m.

Description

By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

References

URL	Source
https://bugzilla.mozilla.org/show_bug.cgi?id=1881037	security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-46/	security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-47/	security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-49/	security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-50/	security@mozilla.org