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High 8.8
When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it shou…
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High 8.8
Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors …
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High 7.0
If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched …
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High 8.8
Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96 and Firef…
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High 7.5
When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode. …
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High 8.8
Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. Some of these …
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High 8.8
By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute …
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High 7.1
A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write …
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High 8.8
Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow c…
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High 8.8
If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have bee…
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High 8.8
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a…
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High 7.5
Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could h…
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High 8.8
When clicking on a tel: link, USSD codes, specified after a <code>\*</code> character, would be included in the phone n…
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High 8.8
Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon…
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High 8.8
The constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped for PowerShell. This …
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High 8.8
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of a…
KEV Mar 7, 2022 -
High 8.8
An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially explo…
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High 7.5
When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming …
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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 -
High 8.8
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are…
KEV Nov 3, 2021 -
High 8.8
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allo…
KEV May 23, 2022 -
High 8.8
Malicious PDF can inject JavaScript into PDF Viewer
The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability af…
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High 7.5
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been di…
KEV Jun 22, 2023