Code injection

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR 78.1, Firefox 79, and...

CVE-2020-15649

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox ES...

Code injection

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox ES...

Code injection

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. Thi...

Memory corruption

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects...

CVE-2020-15650

Given an installed malicious file picker application, an attacker was able to overwrite local files and thus overwrite Firefox settings but not access the previous profile. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects...

CVE-2020-15657

Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. Note: This issue only affected Windows operating systems. Other operating systems are unaffected.. This...

CVE-2020-15649

CVE-2020-15649 : Mozilla Firefox ESR versions earlier than 68.11 are affected. A malicious file picker application could cause the browser to steal and upload local files of the user’s choosing, independent of the actual files selected. The issue is described as affecting Firefox for Android and ...

CVE-2020-15655

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

CVE-2020-15649

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox ES...

CVE-2020-15653

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR 78.1, Firefox 79, and...

CVE-2020-15654

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. Thi...

CVE-2020-15650

Given an installed malicious file picker application, an attacker was able to overwrite local files and thus overwrite Firefox settings but not access the previous profile. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects...

CVE-2020-15654

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. Thi...

CVE-2020-15655

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

CVE-2020-15649

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. Note: This issue only affected Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox ES...

CVE-2020-15650

CVE-2020-15650 affects Firefox ESR

CVE-2020-15655

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

CVE-2020-15659

CVE-2020-15659 concerns memory safety bugs in Firefox 78 and Firefox ESR 78.x, with potential to run arbitrary code. The entry affects Firefox < 79 and Firefox ESR < 68.11/78.1, and Thunderbird

CVE-2020-15658

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR 78.1, Firefox...