Skip to contentMozilla Firefox Esr vulnerabilities
- mozilla firefox, firefox esr, thunderbird +2 moreBy using a link with <code>rel="localization"</code> a use-after-free could have been triggered...CVE-2022-28282Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreIf a compromised content process sent an unexpected number of WebAuthN Extensions in a Register...CVE-2022-28281Public exploitFix available8.8 High
- mozilla firefox esr, thunderbird +1 moreAfter a VR Process is destroyed, a reference to it may have been retained and used, leading to a...CVE-2022-1196Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 more<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in...CVE-2022-1097Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreWhen installing an add-on, Firefox verified the signature before prompting the user; but while...CVE-2022-26387Fix available7.5 High
- mozilla firefox esr, thunderbird +1 morePreviously Firefox for macOS and Linux would download temporary files to a user-specific...CVE-2022-26386Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreIf an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code>...CVE-2022-26384Fix available9.6 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreWhen resizing a popup after requesting fullscreen access, the popup would not display the...CVE-2022-26383Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreAn attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading...CVE-2022-26381Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreA Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused...CVE-2022-22753Fix available7.1 High
- mozilla firefox, firefox esr, thunderbird +2 moreMozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present...CVE-2022-22764Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreWhen a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a...CVE-2022-22763Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreWeb-accessible extension pages (pages with a moz-extension:// scheme) were not correctly...CVE-2022-22761Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreWhen importing resources using Web Workers, error messages would distinguish the difference...CVE-2022-22760Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreIf a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently...CVE-2022-22759Fix available9.6 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreIf a user was convinced to drag and drop an image to their desktop or other folder, the resulting...CVE-2022-22756Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreIf a user installed an extension of a particular type, the extension could have auto-updated...CVE-2022-22754Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreA race condition could have allowed bypassing the fullscreen notification which could have lead...CVE-2022-22746Fix available5.9 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreThe constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped...CVE-2022-22744Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreMozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele...CVE-2022-22751Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreMalicious websites could have confused Firefox into showing the wrong origin when asking to...CVE-2022-22748Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreAfter accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the...CVE-2022-22747Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreSecuritypolicyviolation events could have leaked cross-origin information for frame-ancestors...CVE-2022-22745Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreWhen navigating from inside an iframe while requesting fullscreen access, an attacker-controlled...CVE-2022-22743Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreWhen inserting text while in edit mode, some characters might have lead to out-of-bounds memory...CVE-2022-22742Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreWhen resizing a popup while requesting fullscreen access, the popup would have become unable to...CVE-2022-22741Fix available7.5 High
- mozilla firefox, firefox esr, thunderbird +2 moreCertain network request objects were freed too early when releasing a network request handle....CVE-2022-22740Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreMalicious websites could have tricked users into accepting launching a program to handle an...CVE-2022-22739Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreApplying a CSS filter effect could have accessed out of bounds memory. This could have lead to a...CVE-2022-22738Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreConstructing audio sinks could have lead to a race condition when playing audio files and closing...CVE-2022-22737Fix available7.5 High
- mozilla firefox, firefox esr, thunderbird +2 moreIt was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox....CVE-2021-4140Fix available10.0 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreMozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson...CVE-2021-4129Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreIt was possible to recreate previous cursor spoofing attacks against users with a zoomed native...CVE-2021-43546Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreUsing the Location API in a loop could have caused severe application hangs and crashes. This...CVE-2021-43545Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreDocuments loaded with the CSP sandbox directive could have escaped the sandbox's script...CVE-2021-43543Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreUsing XMLHttpRequest, an attacker could have identified installed applications by probing error...CVE-2021-43542Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen invoking protocol handlers for external protocols, a supplied parameter URL containing...CVE-2021-43541Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreFailure to correctly record the location of live pointers across wasm instance calls resulted in...CVE-2021-43539Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreBy misusing a race in our notification code, an attacker could have forcefully hidden the...CVE-2021-43538Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreAn incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt...CVE-2021-43537Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreUnder certain circumstances, asynchronous functions could have caused a navigation to fail but...CVE-2021-43536Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreThe executable file warning was not presented when downloading .inetloc files, which, due to a...CVE-2021-38510Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreMicrosoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will...CVE-2021-38505Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreA use-after-free could have occured when an HTTP2 session object was released on a different...CVE-2021-43535Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla developers and community members reported memory safety bugs present in Firefox 93 and...CVE-2021-43534Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreDue to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with...CVE-2021-38509Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreBy displaying a form validity message in the correct location at the same time as a permission...CVE-2021-38508Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThe Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently...CVE-2021-38507Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreThrough a series of navigations, Firefox could have entered fullscreen mode without notification...CVE-2021-38506Fix available4.3 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen interacting with an HTML input element's file picker dialog with webkitdirectory set, a use...CVE-2021-38504Fix available8.8 High
- Show moreLoading…