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canonical ubuntu linux 20.04 vulnerabilities and exploits
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8.8
CVSSv3
CVE-2020-15656
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. This vulnerability affects Firefox ESR < 78.1, Firefox <...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2020-12406
Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firef...
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
1 Article
8.8
CVSSv3
CVE-2020-12417
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, ...
Mozilla Firefox
Mozilla Thunderbird
Mozilla Firefox Esr
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Opensuse Leap 15.1
Opensuse Leap 15.2
8.8
CVSSv3
CVE-2020-12419
When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Opensuse Leap 15.1
Opensuse Leap 15.2
8.8
CVSSv3
CVE-2020-12420
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Mozilla Firefox
Mozilla Thunderbird
Mozilla Firefox Esr
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Opensuse Leap 15.1
Opensuse Leap 15.2
8.8
CVSSv3
CVE-2020-12410
Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. 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
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
1 Article
8.8
CVSSv3
CVE-2020-12861
A heap buffer overflow in SANE Backends prior to 1.0.30 allows a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-080.
Sane-project Sane Backends
Canonical Ubuntu Linux 18.04
Opensuse Leap 15.1
Canonical Ubuntu Linux 20.04
Opensuse Leap 15.2
Canonical Ubuntu Linux 16.04
8.8
CVSSv3
CVE-2020-6463
Use after free in ANGLE in Google Chrome before 81.0.4044.122 allowed a remote malicious user to potentially exploit heap corruption via a crafted HTML page.
Google Chrome
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Opensuse Backports Sle 15.0
Opensuse Leap 15.2
8.8
CVSSv3
CVE-2020-7065
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
Php Php
Debian Debian Linux 10.0
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Tenable Tenable.sc
8.8
CVSSv3
CVE-2019-11338
libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote malicious users to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.
Ffmpeg Ffmpeg 3.4
Ffmpeg Ffmpeg 4.1.2
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Novell Suse Package Hub For Suse Linux Enterprise 12
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
CVSSv3
CVSSv2
CVSSv3
VMScore
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