Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

Mozilla: Crash with nested event loops

When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox 63, Firefox ESR 60.3, and Thunderbird 60.3...

Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2

Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox 62, Firefox ESR 60.2, and Thunderbird 60.2....

Mozilla: Use-after-free in driver timers

A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox 62, Firefox ESR 60.2, and Thunderbird 60.2.1...

Mozilla: Use-after-free in driver timers

A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox 62, Firefox ESR 60.2, and Thunderbird 60.2.1...

Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2

Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox 62, Firefox ESR 60.2, and Thunderbird 60.2....

Multiple Memory Corruption Vulnerabilities in Mozilla Firefox ESR

Mozilla Firefox is an open source web browser developed by the Mozilla Foundation in the U.S. Firefox ESR is an extended support version of Firefox. Multiple memory corruption vulnerabilities exist in Mozilla Firefox ESR version 60.2. The vulnerabilities can be exploited by attackers to corrupt...

Mozilla Firefox for Android Information Disclosure Vulnerability

Mozilla Firefox for Android is an open source web browser based on the Android platform from the US-based Mozilla Foundation. A security vulnerability exists in previous versions of Mozilla Firefox 63 for Android. The vulnerability can be exploited by a remote attacker to obtain a user's browsing...

Mozilla Firefox CSP Bypass Vulnerability

Mozilla Firefox is an open source web browser developed by the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox prior to version 63. A remote attacker could exploit the vulnerability to inject stylesheets and bypass Content Security Policy CSP...

Mozilla: WebExtension local file permission check bypass

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This...

Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

Mozilla: Memory safety bugs fixed in Firefox ESR 60.3

Mozilla developers and community members reported memory safety bugs present in Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR 60.3...

Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

chromium-browser: Lack of limits on update() in ServiceWorker

A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to monitor activity by users. Affects all versions prior to Firefox 60...

UBUNTU-CVE-2018-12398

By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy CSP. This vulnerability affects Firefox 63...

UBUNTU-CVE-2018-12403

If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not displayed to users. This vulnerability affects Firefox 63...

UBUNTU-CVE-2018-12390

Mozilla developers and community members reported memory safety bugs present in Firefox 62 and Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

UBUNTU-CVE-2018-12388

Mozilla developers and community members reported memory safety bugs present in Firefox 62. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox 63...

DEBIAN-CVE-2018-5188

Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird 60, Thunderbird 52.9,...