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CVE-2020-12392

Medium priority

Some fixes available 24 of 32

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data 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,...

6 affected packages

mozjs68, firefox, thunderbird, mozjs52, mozjs38, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs68 Not in release Not in release Ignored Not in release
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
mozjs52 Not in release Not in release Ignored Ignored
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-2020-12387

Medium priority

Some fixes available 24 of 32

A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

6 affected packages

firefox, mozjs38, mozjs52, thunderbird, mozjs68, mozjs60

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
thunderbird Fixed Fixed Fixed Fixed
mozjs68 Not in release Not in release Ignored Not in release
mozjs60 Not in release Not in release Not in release Not in release
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CVE-2020-6825

Medium priority

Some fixes available 24 of 32

Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. Some of these bugs showed evidence of memory corruption and we presume that with...

6 affected packages

mozjs52, mozjs68, mozjs38, mozjs60, firefox, 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
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-6822

Medium priority

Some fixes available 24 of 32

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code....

6 affected packages

mozjs52, mozjs68, mozjs38, mozjs60, firefox, 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
mozjs38 Not in release Not in release Not in release Ignored
mozjs60 Not in release Not in release Not in release Not in release
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
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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-2020-6820

High priority
Fixed

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox <...

2 affected packages

thunderbird, firefox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Fixed Fixed
firefox Fixed Fixed
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CVE-2020-6819

High priority
Fixed

Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0,...

2 affected packages

firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed
thunderbird Fixed Fixed
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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-2020-6812

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
Show less packages