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CVE-2020-6819 vulnerabilities and exploits
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4.3
CVSSv3
CVE-2020-12397
By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2019-17005
The plain text serializer used a fixed-size array for the number of <ol> elements it could process; however it was possible to overflow the static-sized array leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3,...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
8.8
CVSSv3
CVE-2019-17008
When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
7.5
CVSSv3
CVE-2019-17010
Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Fir...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
7.5
CVSSv3
CVE-2019-17011
Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
8.8
CVSSv3
CVE-2019-17012
Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thun...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
6.5
CVSSv3
CVE-2020-6794
If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Thunderbird 60. Th...
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
6.1
CVSSv3
CVE-2019-17016
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR <...
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Redhat Enterprise Linux Desktop 6.0
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Server 6.0
Redhat Enterprise Linux Server 7.0
Redhat Enterprise Linux Server Aus 7.7
Redhat Enterprise Linux Server Tus 7.7
Redhat Enterprise Linux Workstation 6.0
Redhat Enterprise Linux Workstation 7.0
8.8
CVSSv3
CVE-2019-17017
Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Mozilla Firefox
Mozilla Firefox Esr
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Redhat Enterprise Linux Desktop 6.0
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Server 6.0
Redhat Enterprise Linux Server 7.0
Redhat Enterprise Linux Server Aus 7.7
Redhat Enterprise Linux Server Tus 7.7
Redhat Enterprise Linux Workstation 6.0
Redhat Enterprise Linux Workstation 7.0
8.8
CVSSv3
CVE-2019-17024
Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. 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. This vulnerability affects Fire...
Mozilla Firefox
Mozilla Firefox Esr
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux Desktop 6.0
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Eus 7.7
Redhat Enterprise Linux Eus 8.1
Redhat Enterprise Linux Eus 8.2
Redhat Enterprise Linux Eus 8.4
Redhat Enterprise Linux Server 6.0
Redhat Enterprise Linux Server 7.0
Redhat Enterprise Linux Server Aus 7.7
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Aus 8.4
Redhat Enterprise Linux Server Tus 7.7
CVSSv3
CVSSv2
CVSSv3
VMScore
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