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CVE-2020-6821

Medium priority

Some fixes available 24 of 32

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to...

6 affected packages

mozjs52, mozjs68, firefox, mozjs38, mozjs60, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6815

Medium priority

Some fixes available 12 of 18

Mozilla developers reported memory safety and script safety bugs present in Firefox 73. Some of these bugs showed evidence of memory corruption or escalation of privilege and we presume that with enough effort some of these could...

4 affected packages

mozjs52, firefox, mozjs38, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
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CVE-2020-6814

Medium priority

Some fixes available 24 of 30

Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

5 affected packages

mozjs52, mozjs60, firefox, mozjs38, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6813

Low priority

Some fixes available 12 of 18

When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This...

4 affected packages

mozjs52, firefox, mozjs38, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
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CVE-2020-6812

Low priority

Some fixes available 24 of 30

The first time AirPods are connected to an iPhone, they become named after the user's name by default (e.g. Jane Doe's AirPods.) Websites with camera or microphone permission are able to enumerate device names, disclosing...

5 affected packages

firefox, mozjs38, mozjs52, mozjs60, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6811

Medium priority

Some fixes available 24 of 30

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as Curl' feature and pasted the command into a terminal, it...

5 affected packages

mozjs52, mozjs60, mozjs38, firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
mozjs38 Not in release Not in release Not in release Ignored
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6810

Medium priority

Some fixes available 12 of 18

After a website had entered fullscreen mode, it could have used a previously opened popup to obscure the notification that indicates the browser is in fullscreen mode. Combined with spoofing the browser chrome, this could have led...

4 affected packages

mozjs52, firefox, mozjs38, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
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CVE-2020-6808

Medium priority

Some fixes available 12 of 18

When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to create an HTML document, which is then presented. Previously, this document's URL (as reported by the document.location...

4 affected packages

mozjs52, mozjs38, firefox, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs38 Not in release Not in release Not in release Ignored
firefox Fixed Fixed Fixed Fixed
mozjs60 Not in release Not in release Not in release Not in release
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CVE-2020-6807

Medium priority

Some fixes available 24 of 30

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This...

5 affected packages

mozjs52, mozjs60, mozjs38, firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
mozjs38 Not in release Not in release Not in release Ignored
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6806

Medium priority

Some fixes available 24 of 30

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This...

5 affected packages

mozjs52, firefox, mozjs38, mozjs60, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs52 Not in release Not in release Ignored Ignored
firefox Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
Show less packages