1,814 results · Feed
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By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin…
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An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led t…
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When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting…
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The code for downloading files did not properly take care of special characters, which led to an attacker being able to…
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JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mi…
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Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker th…
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Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some o…
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NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak privat…
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If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderb…
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Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed ev…
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When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially explo…
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Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We…
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When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to m…
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Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memor…
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When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were l…
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When processing callbacks that occurred during window flushing in the parent process, the associated window may die; ca…
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Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malici…
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An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at …
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A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corrupti…
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A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a po…
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The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can …
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The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be …
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Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. Some o…
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By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address …
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High 8.1CVE-2020-6819 Exploited
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are a…
KEV Nov 3, 2021 -
High 8.1CVE-2020-6820 Exploited
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of …
KEV Nov 3, 2021 -
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When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method…
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On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDeco…
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Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefo…
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When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, re…
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By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resiz…
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When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been e…
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The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be …
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The first time AirPods are connected to an iPhone, they become named after the user's name by default (e.g. Jane Doe's …
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Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of these bugs showed evide…
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When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents. Th…
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By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on…
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If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these pass…
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If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution whe…
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When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location…