DEBIAN-CVE-2020-26978

Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox 84, Thunderbird 78.6, and Firefox ESR 78.6...

The vulnerability of Firefox browsers, Firefox ESR, and the Thunderbird email client, related to the use of memory after release, allows a hacker to trigger a service failure.

The vulnerabilities of the Firefox browser, Firefox ESR, and the Thunderbird email client are related to the use of memory after deallocation. Exploiting these vulnerabilities can allow a remote attacker to cause service interruptions...

The vulnerability of Firefox, Firefox ESR, and the Thunderbird email client relates to the use of memory after transaction processing in the editor. This allows an attacker to cause a service failure.

The vulnerability of Firefox browsers, Firefox ESR, and the email client Thunderbird is related to the use of memory after transaction processing in the editor. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Mozilla: Software keyboards may have remembered typed passwords

Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software keyboard that remembers user input, a user typed their password and used that feature, the type of the password field wa...

Mozilla: Write side effects in MCallGetProperty opcode not accounted for

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox 82.0.3, Firefox ESR 78.4.1, and Thunderbird 78.4.2...

Mozilla Firefox ESR Buffer Error Vulnerability

Mozilla Firefox ESR is an extended support release of Firefox web browser from the Mozilla Foundation. A buffer error vulnerability exists in FireFox, which can be exploited by an attacker to run arbitrary code...

Vulnerability fixed in Mozilla Firefox, Firefox ESR and Thunderbird

Mozilla has fixed a vulnerability in Firefox and Thunderbird. The vulnerability allows an attacker under specific circumstances able to execute arbitrary code with permissions from the application. The vulnerability was discovered during a hacking contest, making it likely that public exploit cod...

Mozilla: Type confusion for special arguments in IonMonkey

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR 78.1, Firefox 79, and Thunderbird 78.1...

Mozilla: Custom cursor can overlay user interface

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...

Mozilla: Bypassing iframe sandbox when allowing popups

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...

Mozilla Thunderbird/Firefox ESR Post-Release Reuse Vulnerability

Mozilla Thunderbird is a mail tool transformed from the mail component of the Mozilla browser, designed using the XUL programming interface language, it is designed for users of the Mozilla Firefox browser with the mail client software, the interface design is more simple, and free to...

Mozilla: Use-After-Free when aborting an operation

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.12 and...

Mozilla: Use-After-Free when aborting an operation

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.12 and...

Mozilla: Use-After-Free when aborting an operation

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.12 and...

Mozilla: Overriding file type when saving to disk

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...

Mozilla: Use-After-Free when aborting an operation

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.12 and...

Mozilla: Bypassing iframe sandbox when allowing popups

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...

Mozilla: Use-After-Free when aborting an operation

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.12 and...

Mozilla Firefox ESR Code Issue Vulnerability

Mozilla Firefox ESR is an extended support release of Firefox web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox ESR versions prior to 68.11 for Android-based platforms. The vulnerability can be exploited by an attacker with the help o...

Mozilla Firefox ESR Resource Management Error Vulnerability (CNVD-2020-46332)

Mozilla Firefox ESR is an extended support release of Firefox web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox ESR versions prior to 68.11 for Android-based platforms. The vulnerability can be exploited by an attacker with the help o...