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CVE-2020-35112

Low priority
Ignored

If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as...

7 affected packages

mozjs38, mozjs52, thunderbird, mozjs78, firefox...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs38 Not in release Not in release Not in release Ignored
mozjs52 Not in release Not in release Ignored Ignored
thunderbird Not affected Not affected Not in release Not affected
mozjs78 Not in release Ignored Not in release Not in release
firefox Not affected Not affected Not in release Not affected
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-2020-26977

Medium priority
Not affected

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android....

1 affected package

firefox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not in release Not affected
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CVE-2020-26975

Medium priority
Not affected

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This...

1 affected package

firefox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not in release Not affected
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CVE-2020-35114

Medium priority

Some fixes available 11 of 23

Mozilla developers reported memory safety bugs present in Firefox 83. 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 arbitrary code....

6 affected packages

firefox, mozjs38, mozjs52, mozjs78, 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
mozjs52 Not in release Not in release Ignored Ignored
mozjs78 Not in release Ignored Not in release Not in release
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-2020-35113

Medium priority

Some fixes available 21 of 33

Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to...

7 affected packages

firefox, thunderbird, mozjs78, mozjs38, mozjs52...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed Fixed Fixed
thunderbird Fixed Fixed Fixed Fixed
mozjs78 Not in release Ignored Not in release Not in release
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-2020-35111

Low priority

Some fixes available 21 of 33

When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could...

7 affected packages

mozjs78, firefox, mozjs38, mozjs52, thunderbird...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mozjs78 Not in release Ignored Not in release Not in release
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
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-2020-26979

Low priority

Some fixes available 11 of 23

When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To...

6 affected packages

firefox, mozjs38, mozjs52, mozjs60, mozjs68, mozjs78

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
mozjs68 Not in release Not in release Ignored Not in release
mozjs78 Not in release Ignored Not in release Not in release
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CVE-2020-26978

Medium priority

Some fixes available 21 of 33

Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84,...

7 affected packages

firefox, mozjs38, thunderbird, mozjs52, 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
thunderbird Fixed Fixed Fixed Fixed
mozjs52 Not in release Not in release Ignored Ignored
mozjs60 Not in release Not in release Not in release Not in release
mozjs78 Not in release Ignored Not in release Not in release
mozjs68 Not in release Not in release Ignored Not in release
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CVE-2020-26976

Medium priority

Some fixes available 21 of 33

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due...

7 affected packages

firefox, mozjs38, 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
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
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
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CVE-2020-26974

Medium priority

Some fixes available 21 of 33

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This...

7 affected packages

firefox, mozjs52, mozjs60, mozjs68, mozjs78...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Fixed Fixed 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
mozjs78 Not in release Ignored Not in release Not in release
thunderbird Fixed Fixed Fixed Fixed
mozjs38 Not in release Not in release Not in release Ignored
Show all 7 packages Show less packages