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CVE-2020-6820 vulnerabilities and exploits
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9.8
CVSSv3
CVE-2020-6831
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.2
9.8
CVSSv3
CVE-2020-12395
Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 vuln...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
9.8
CVSSv3
CVE-2020-6825
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 enough effort some of these could have been exploited...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
9.8
CVSSv3
CVE-2020-6814
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 arbitrary code. This vulnerability affects Thunder...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
8.8
CVSSv3
CVE-2020-6822
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. This vulnerability affects Thunderbird &l...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
8.8
CVSSv3
CVE-2020-6811
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 could have resulted in c...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
8.8
CVSSv3
CVE-2020-6805
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2020-6806
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firef...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2020-6807
When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68....
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2020-6800
Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. 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. In genera...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
CVSSv3
CVSSv2
CVSSv3
VMScore
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