Skip to contentMozilla Firefox vulnerabilities
- mozilla firefoxAn object tag with a data URI did not correctly inherit the document's Content Security Policy....CVE-2019-17000Fix available6.1 Medium
- mozilla firefoxA compromised content process could send a message to the parent process that would cause the ...CVE-2019-11765Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreMozilla developers and community members reported memory safety bugs present in Firefox 69 and...CVE-2019-11764Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreFailure to correctly handle null bytes when processing HTML entities resulted in Firefox...CVE-2019-11763Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreIf two same-origin documents set document.domain differently to become cross-origin, it was...CVE-2019-11762Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreBy using a form with a data URI it was possible to gain access to the privileged JSONView object...CVE-2019-11761Fix available5.4 Medium
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreA fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted...CVE-2019-11760Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreAn attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer...CVE-2019-11759Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +1 more +3 moreWhen following the value's prototype chain, it was possible to retain a reference to a locale,...CVE-2019-11757Fix available8.8 High
- mozilla firefoxWhen the pointer lock is enabled by a website though requestPointerLock(), no user notification...CVE-2019-11754Fix available4.3 Medium
- mozilla firefox, firefox esr +1 moreThe Firefox installer allows Firefox to be installed to a custom user writable location, leaving...CVE-2019-117537.8 High
- mozilla firefox, firefox esr +1 moreLogging-related command line parameters are not properly sanitized when Firefox is launched by...CVE-2019-117518.8 High
- mozilla firefox, firefox esr +1 moreThe Mozilla Maintenance Service does not guard against files being hardlinked to another file in...CVE-2019-117367.0 High
- mozilla firefox, firefox esr +1 moreGiven a compromised sandboxed content process due to a separate vulnerability, it is possible to...CVE-2019-9812Fix available9.3 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreIt is possible to delete an IndexedDB key value and subsequently try to extract it during...CVE-2019-11752Fix available8.8 High
- mozilla firefox, firefox esr +1 moreA type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash....CVE-2019-11750Fix available6.5 Medium
- mozilla firefox, firefox esr +1 moreA vulnerability exists in WebRTC where malicious web content can use probing techniques on the...CVE-2019-11749Fix available4.3 Medium
- mozilla firefox, firefox esr +1 moreWebRTC in Firefox will honor persisted permissions given to sites for access to microphone and...CVE-2019-11748Fix available6.5 Medium
- mozilla firefox, firefox esr +1 moreThe "Forget about this site" feature in the History pane is intended to remove all saved user...CVE-2019-11747Fix available6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreA use-after-free vulnerability can occur while manipulating video elements if the body is freed...CVE-2019-11746Fix available8.8 High
- mozilla firefox, firefox esr, thunderbird +2 moreSome HTML elements, such as <title> and <textarea>, can contain literal angle...CVE-2019-11744Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreNavigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft...CVE-2019-11743Fix available3.7 Low
- mozilla firefox, firefox esr, thunderbird +2 moreA same-origin policy violation occurs allowing the theft of cross-origin images through a...CVE-2019-11742Fix available6.5 Medium
- mozilla firefoxA compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS)...CVE-2019-11741Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +2 more +4 moreMozilla developers and community members reported memory safety bugs present in Firefox 68,...CVE-2019-11740Fix available8.8 High
- mozilla firefox, firefox esr, opensuse leap +2 moreIf a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes...CVE-2019-11738Fix available6.3 Medium
- mozilla firefoxIf a wildcard ('*') is specified for the host in Content Security Policy (CSP) directives, any...CVE-2019-11737Fix available5.3 Medium
- mozilla firefox, firefox esr, opensuse leap +2 moreMozilla developers and community members reported memory safety bugs present in Firefox 68 and...CVE-2019-11735Fix available8.8 High
- mozilla firefoxMozilla developers and community members reported memory safety bugs present in Firefox 68. Some...CVE-2019-11734Fix available9.8 Critical
- mozilla firefox, firefox esr +1 moreWhen a master password is set, it is required to be entered again before stored passwords can be...CVE-2019-11733Fix available9.8 Critical
- mozilla firefoxA hyperlink using the res: protocol can be used to open local files at a known location in...CVE-2019-117006.5 Medium
- mozilla firefoxA hyperlink using protocols associated with Internet Explorer, such as IE.HTTP:, can be used to...CVE-2019-117026.5 Medium
- mozilla firefox, firefox esr, thunderbird +3 more +5 moreAs part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a...CVE-2019-9811Fix available8.3 High
- mozilla firefox, firefox esr, thunderbird +3 more +5 moreA vulnerability exists where if a user opens a locally saved HTML file, this file can use file:...CVE-2019-11730Public exploitFix availableEPSS 20.3%6.5 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreEmpty or malformed p256-ECDH public keys may trigger a segmentation fault due values being...CVE-2019-11729Fix available7.5 High
- mozilla firefox, opensuse leap +1 moreThe HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP...CVE-2019-11728Fix available4.7 Medium
- mozilla firefoxA vulnerability exists where it possible to force Network Security Services (NSS) to sign...CVE-2019-11727Fix available5.3 Medium
- mozilla firefox, opensuse leap +1 moreWhen a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are...CVE-2019-11725Fix available6.5 Medium
- mozilla firefox, opensuse leap +1 moreApplication permissions give additional remote troubleshooting permission to the site input...CVE-2019-11724Fix available6.1 Medium
- mozilla firefox, opensuse leap +1 moreA vulnerability exists during the installation of add-ons where the initial fetch ignored the...CVE-2019-11723Fix available7.5 High
- mozilla firefox, opensuse leap +1 moreThe unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar...CVE-2019-11721Fix available6.5 Medium
- mozilla firefox, opensuse leap +1 moreSome unicode characters are incorrectly treated as whitespace during the parsing of web content...CVE-2019-11720Fix available6.1 Medium
- mozilla firefox, firefox esr, thunderbird +2 moreWhen importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible...CVE-2019-11719Fix available7.5 High
- mozilla firefox, opensuse leap +1 moreActivity Stream can display content from sent from the Snippet Service website. This content is...CVE-2019-11718Fix available5.3 Medium
- mozilla firefox, firefox esr, thunderbird +3 more +5 moreA vulnerability exists where the caret ("^") character is improperly escaped constructing some...CVE-2019-11717Fix available5.3 Medium
- mozilla firefoxUntil explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not...CVE-2019-11716Fix available8.3 High
- mozilla firefox, firefox esr, thunderbird +2 moreDue to an error while parsing page content, it is possible for properly sanitized user input to...CVE-2019-11715Fix available6.1 Medium
- mozilla firefoxNecko can access a child on the wrong thread during UDP connections, resulting in a potentially...CVE-2019-11714Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +2 moreA use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while...CVE-2019-11713Fix available9.8 Critical
- mozilla firefox, firefox esr, thunderbird +2 morePOST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response...CVE-2019-11712Fix available8.8 High
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