Mozilla
7,140 known vulnerabilities
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A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely l
On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary
On Windows systems, if non-null-terminated strings are copied into the crash reporter for some specific registry keys, s
If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid
When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit th
Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes
A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements. This results in a po
A buffer overflow can occur when manipulating Accessible Rich Internet Applications (ARIA) attributes within the DOM. Th
A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer h
If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example
An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected,
An error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates where it can
Memory safety bugs were reported in Firefox 54. Some of these bugs showed evidence of memory corruption and we presume t
Memory safety bugs were reported in Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2. Some of these bugs showed eviden
A number of security vulnerabilities in the Graphite 2 library including out-of-bounds reads, buffer overflow reads and
A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar
The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the loc
The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using
An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation th
The "Mark of the Web" was not correctly saved on Windows when files with very long names were downloaded from the Intern
Characters from the "Canadian Syllabics" unicode block can be mixed with characters from other unicode blocks in the add
Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this
When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the addressbar.
The Mozilla Maintenance Service "helper.exe" application creates a temporary directory writable by non-privileged users.
The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. T
Android intent URLs given to Firefox for Android can be used to navigate from HTTP or HTTPS URLs to local "file:" URLs,
An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while t
A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still
A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This co
The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer w
An out-of-bounds read in WebGL with a maliciously crafted "ImageInfo" object during WebGL operations. This vulnerability
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data
A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages du
A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulne
A use-after-free vulnerability during video control operations when a "<track>" element holds a reference to an older wi
A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potenti
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attemp
Memory safety bugs were reported in Firefox 53. Some of these bugs showed evidence of memory corruption and we presume t
Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. Some of these bugs showed evidence of memory corrup
Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex. This vulnerability affect
An issue with incorrect ownership model of "privateBrowsing" information exposed through developer tools. This can resul
A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping
If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, trigger
An out-of-bounds read while processing SVG content in "ConvolvePixel". This results in a crash and also allows for other
During DOM manipulations of the accessibility tree through script, the DOM tree can become out of sync with the accessib
Android intents can be used to launch Firefox for Android in reader mode with a user specified URL. This allows an attac
A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not
A use-after-free vulnerability in frame selection triggered by a combination of malicious script content and key presses
A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability
When a "javascript:" URL is drag and dropped by a user into the addressbar, the URL will be processed and executed. This
Frequently Asked Questions
How many CVEs affect Mozilla?
Mozilla has 7,140 CVE records in our database, including 872 critical and 3343 high severity vulnerabilities. 11 of these are listed in CISA's Known Exploited Vulnerabilities catalog.
What are the most severe Mozilla vulnerabilities?
Mozilla has 872 critical severity (CVSS 9.0+) and 3343 high severity (CVSS 7.0-8.9) vulnerabilities. 11 vulnerabilities are confirmed as actively exploited in the wild.
How can I scan for Mozilla vulnerabilities?
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