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CVE-2020-15646

Medium priority
Fixed

If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and...

1 affected package

thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Fixed Fixed
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CVE-2020-15969

Medium priority

Some fixes available 23 of 29

Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

7 affected packages

mozjs52, chromium-browser, 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
chromium-browser Not affected Not affected Not in release Fixed
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
mozjs68 Not in release Not in release Ignored Not in release
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-15669

Medium priority
Fixed

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to...

2 affected packages

thunderbird, firefox-esr

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Not affected Fixed Fixed
firefox-esr Not in release Not in release Not in release
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CVE-2020-15663

Medium priority
Not affected

If Firefox is installed to a user-writable directory, the Mozilla Maintenance Service would execute updater.exe from the install location with system privileges. Although the Mozilla Maintenance Service does ensure that...

2 affected packages

firefox, thunderbird

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not in release Not affected
thunderbird Not in release Not affected
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CVE-2020-15678

Medium priority

Some fixes available 13 of 19

When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not...

6 affected packages

thunderbird, firefox, mozjs38, mozjs60, mozjs52, mozjs68

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Not affected Not affected Fixed Fixed
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
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-15677

Medium priority

Some fixes available 13 of 19

By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the...

6 affected packages

firefox, mozjs38, mozjs60, thunderbird, mozjs52, mozjs68

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
mozjs60 Not in release Not in release Not in release Not in release
thunderbird Not affected Not affected Fixed Fixed
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-15676

Medium priority

Some fixes available 13 of 19

Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability...

6 affected packages

firefox, mozjs38, thunderbird, mozjs52, mozjs60, mozjs68

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
thunderbird Not affected Not affected Fixed Fixed
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-15673

Medium priority

Some fixes available 13 of 19

Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to...

6 affected packages

firefox, mozjs38, mozjs52, mozjs60, thunderbird, mozjs68

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 Not affected Not affected Fixed Fixed
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-15664

Medium priority

Some fixes available 13 of 19

By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with...

7 affected packages

firefox, firefox-esr, mozjs38, mozjs60, thunderbird...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed Fixed Fixed
firefox-esr Not in release Not in release Not in release 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
thunderbird Not affected Not affected Fixed Fixed
mozjs52 Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-15670

Medium priority

Some fixes available 13 of 19

Mozilla developers reported memory safety bugs present in Firefox for Android 79. 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...

6 affected packages

thunderbird, mozjs52, mozjs68, firefox, mozjs38, mozjs60

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
thunderbird Not affected Not affected Fixed Fixed
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
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