Skip to contentMozilla Firefox Esr vulnerabilities
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreFirefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to...CVE-2020-15676Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreMozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some...CVE-2020-15673Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreIf Firefox is installed to a user-writable directory, the Mozilla Maintenance Service would...CVE-2020-15663Fix available8.8 High
- mozilla firefox, firefox esr, firefox for android +2 more +4 moreMozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these...CVE-2020-15670Fix available8.8 High
- mozilla firefox esr, thunderbird +1 moreWhen aborting an operation, such as a fetch, an abort signal may be deleted while alerting the...CVE-2020-15669Fix available8.8 High
- mozilla firefox, firefox esr, firefox for android +2 more +4 moreBy holding a reference to the eval() function from an about:blank window, a malicious webpage...CVE-2020-15664Fix available6.5 Medium
- mozilla firefox esrGiven an installed malicious file picker application, an attacker was able to overwrite local...CVE-2020-15650Fix available5.5 Medium
- mozilla firefox esrGiven an installed malicious file picker application, an attacker was able to steal and upload...CVE-2020-15649Fix available5.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreFirefox could be made to load attacker-supplied DLL files from the installation directory. This...CVE-2020-15657Fix available7.8 High
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreMozilla developers and community members reported memory safety bugs present in Firefox 78 and...CVE-2020-15659Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThe code for downloading files did not properly take care of special characters, which led to an...CVE-2020-15658Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreJIT optimizations involving the Javascript arguments object could confuse later optimizations....CVE-2020-15656Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreA redirected HTTP request which is observed or modified through a web extension could bypass...CVE-2020-15655Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen in an endless loop, a website specifying a custom cursor using CSS could make it look like...CVE-2020-15654Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreAn iframe sandbox element with the allow-popups flag could be bypassed when using noopener links....CVE-2020-15653Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreBy observing the stack trace for JavaScript errors in web workers, it was possible to leak the...CVE-2020-15652Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen performing add-on updates, certificate chains terminating in non-built-in-roots were...CVE-2020-12421Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreWhen trying to connect to a STUN server, a race condition could have caused a use-after-free of a...CVE-2020-12420Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreWhen processing callbacks that occurred during window flushing in the parent process, the...CVE-2020-12419Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreManipulating individual parts of a URL object could have caused an out-of-bounds read, leaking...CVE-2020-12418Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreDue to confusion about ValueTags on JavaScript Objects, an object may pass through the type...CVE-2020-12417Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some...CVE-2020-12410Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal,...CVE-2020-12406Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen browsing a malicious page, a race condition in our SharedWorkerService could occur and lead...CVE-2020-12405Fix available5.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreNSS has shown timing differences when performing DSA signatures, which was exploitable and could...CVE-2020-12399Fix available4.4 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreThe 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a...CVE-2020-12393Fix available7.8 High
- mozilla firefox, firefox esr +1 moreThe Firefox content processes did not sufficiently lockdown access control which could result in...CVE-2020-12389Fix available10.0 Critical
- mozilla firefox, firefox esr +1 moreThe Firefox content processes did not sufficiently lockdown access control which could result in...CVE-2020-12388Fix available10.0 Critical
- mozilla firefox, firefox esr, thunderbird +3 more +5 moreA buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have...CVE-2020-6831Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla developers and community members reported memory safety bugs present in Firefox 75 and...CVE-2020-12395Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThe 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of...CVE-2020-12392Fix available5.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreA race condition when running shutdown code for Web Worker led to a use-after-free vulnerability....CVE-2020-12387Fix available8.1 High
- mozilla firefox esrA malicious Android application could craft an Intent that would have been processed by Firefox...CVE-2020-68287.5 High
- mozilla firefox esrWhen following a link that opened an intent://-schemed URL, causing a custom tab to be opened,...CVE-2020-68274.7 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreMozilla developers and community members Tyson Smith and Christian Holler reported memory safety...CVE-2020-6825Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreOn 32-bit builds, an out of bounds write could have occurred when processing an image larger than...CVE-2020-6822Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreWhen reading from areas partially or fully outside the source resource with WebGL's <code...CVE-2020-6821Fix available7.5 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreUnder certain conditions, when handling a ReadableStream, a race condition can cause a use-after...CVE-2020-6820In KEVFix available8.1 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreUnder certain conditions, when running the nsDocShell destructor, a race condition can cause a...CVE-2020-6819In KEVFix available8.1 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of...CVE-2020-6814Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThe first time AirPods are connected to an iPhone, they become named after the user's name by...CVE-2020-6812Fix available5.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThe 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a...CVE-2020-6811Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code...CVE-2020-6807Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreBy carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the...CVE-2020-6806Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen removing data about an origin whose tab was recently closed, a use-after-free could occur in...CVE-2020-6805Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreIncorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a...CVE-2019-17026In KEVPublic exploitFix availableEPSS 46.3%8.8 High
- mozilla firefox, firefox esr, canonical ubuntu linux +9 more +11 moreMozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some...CVE-2019-17024Fix available8.8 High
- mozilla firefox, firefox esr, canonical ubuntu linux +6 more +8 moreWhen pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer...CVE-2019-17022Fix available6.1 Medium
- mozilla firefox, firefox esr, opensuse leap +2 moreDuring the initialization of a new content process, a race condition occurs that can allow a...CVE-2019-170215.3 Medium
- mozilla firefox, firefox esr, canonical ubuntu linux +6 more +8 moreDue to a missing case handling object types, a type confusion vulnerability could occur,...CVE-2019-17017Fix available8.8 High
- Show moreLoading…