CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

DEBIAN-CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-18495

CVE-2018-18495 affects Mozilla Firefox prior to 64. WebExtension content scripts can be loaded into about: pages in certain circumstances, bypassing granted extension permissions and potentially letting an extension interfere with loading/usage of those pages. Implications include access to restr...

CVE-2018-12397

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...

CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-12395

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-18495

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions...

CVE-2018-12395

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-12397

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...

CVE-2018-18495

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions...

CVE-2018-12397

CVE-2018-12397 affects Mozilla Firefox/Firefox ESR. The vulnerability arises from a WebExtension’s ability to access local files without the user-visible warning, bypassing the intended “Access your data for all websites” prompt. This can allow extensions to run content scripts on local pages wit...

CVE-2018-12395

CVE-2018-12395 describes a WebExtension domain restrictions bypass via rewriting Host header using the webRequest API. Affected Firefox ESR < 60.3 and Firefox

CVE-2018-12396

CVE-2018-12396 is a Mozilla Firefox/Firefox ESR vulnerability where a WebExtension can run content scripts in disallowed contexts after certain navigation/events, enabling potential privilege escalation on sites where such scripts shouldn’t run. Multiple connected advisories confirm the issue and...

openSUSE Security Update : MozillaThunderbird (openSUSE-2019-251)

This update for MozillaThunderbird to version 60.5.1 fixes the following issues : Security vulnerabilities addressed MSFA 2019-03 MSFA 2018-31 MFSA 2019-06 bsc1122983 bsc1119105 bsc1125330 : - CVE-2018-18356: Fixed a Use-after-free in Skia. - CVE-2019-5785: Fixed an Integer overflow in Skia. -...

Security update for MozillaThunderbird (important)

openSUSE Security Update: Security update for MozillaThunderbird Announcement ID: openSUSE-SU-2019:0251-1 Rating: important References: 1119105 1122983 1125330 Cross-References: CVE-2016-5824 CVE-2018-12405 CVE-2018-17466 CVE-2018-18335 CVE-2018-18356 CVE-2018-18492 CVE-2018-18493 CVE-2018-18494...

OPENSUSE-SU-2019:0249-1 Security update for MozillaThunderbird

This update for MozillaThunderbird to version 60.5.1 fixes the following issues: Security vulnerabilities addressed MFSA 2019-03 MFSA 2018-31 bsc1122983 and MFSA 2019-06 bsc1125330: - CVE-2018-18356: Fixed a Use-after-free in Skia. - CVE-2019-5785: Fixed an Integer overflow in Skia. -...

Security update for MozillaThunderbird (important)

openSUSE Security Update: Security update for MozillaThunderbird Announcement ID: openSUSE-SU-2019:0249-1 Rating: important References: 1122983 1125330 Cross-References: CVE-2016-5824 CVE-2018-12405 CVE-2018-17466 CVE-2018-18335 CVE-2018-18356 CVE-2018-18492 CVE-2018-18493 CVE-2018-18494...

openSUSE Security Update : MozillaThunderbird (openSUSE-2019-182)

This update for MozillaThunderbird to version 60.5.0 fixes the following issues : Security vulnerabilities addressed MFSA 2019-03 boo1122983 MFSA 2018-31 : - CVE-2018-18500: Use-after-free parsing HTML5 stream - CVE-2018-18505: Privilege escalation through IPC channel messages - CVE-2016-5824: Do...

How Web Apps Can Turn Browser Extensions Into Backdoors

Researchers have added another reason to be suspicious of web browser extensions. According to a recently published academic report, various Chrome, Firefox and Opera browser extensions can be compromised by an adversary that can steal sensitive browser data and plant arbitrary files on targeted...