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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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CVE-2020-15649

Medium priority
Not affected

Given an installed malicious file picker application, an attacker was able to steal and upload local files of their choosing, regardless of the actually files picked. *Note: This issue only affected Firefox for Android. Other...

7 affected packages

firefox, firefox-esr, mozjs38, mozjs52, mozjs60...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not in release Not affected
firefox-esr Not in release Not in release
mozjs38 Not in release Not affected
mozjs52 Not affected Not affected
mozjs60 Not in release Not in release
mozjs68 Not affected Not in release
thunderbird Not in release Not affected
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CVE-2020-15648

Medium priority

Some fixes available 13 of 20

Using object or embed tags, it was possible to frame other websites, even if they disallowed framing using the X-Frame-Options header. This vulnerability affects Thunderbird < 78 and Firefox < 78.0.2.

6 affected packages

thunderbird, firefox, mozjs38, mozjs52, mozjs60, 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
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-2020-15659

Medium priority

Some fixes available 13 of 19

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...

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-2020-15658

Low priority

Some fixes available 13 of 19

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown...

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-2020-15656

Medium priority

Some fixes available 13 of 19

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity....

6 affected packages

thunderbird, firefox, mozjs38, mozjs52, mozjs60, 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
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
Show less packages