First published: Tue Sep 03 2024(Updated: )
Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don't have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15.
Credit: security@mozilla.org security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Thunderbird | <128.2 | 128.2 |
Mozilla Thunderbird | <115.15 | 115.15 |
Mozilla Firefox | <130.0 | |
Mozilla Firefox ESR | <115.15 | |
Mozilla Firefox ESR | >=128.0<128.2 | |
Mozilla Firefox ESR | <128.2 | 128.2 |
Mozilla Firefox | <130 | 130 |
Mozilla Firefox ESR | <115.15 | 115.15 |
debian/firefox | 131.0.2-2 | |
debian/firefox-esr | <=115.14.0esr-1~deb11u1<=115.14.0esr-1~deb12u1 | 128.3.1esr-1~deb11u1 128.3.1esr-1~deb12u1 128.3.0esr-2 128.3.1esr-2 |
debian/thunderbird | <=1:115.12.0-1~deb11u1<=1:115.12.0-1~deb12u1 | 1:115.15.0-1~deb11u1 1:115.15.0-1~deb12u1 |
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(Appears in the following advisories)
(Found alongside the following vulnerabilities)