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firefox esr vulnerabilities and exploits
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9.3
CVSSv2
CVE-2020-15663
If Firefox is installed to a user-writable directory, the Mozilla Maintenance Service would execute updater.exe from the install location with system privileges. Although the Mozilla Maintenance Service does ensure that updater.exe is signed by Mozilla, the version could have bee...
Mozilla Firefox
Mozilla Thunderbird
Mozilla Firefox Esr
9.3
CVSSv2
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
9.3
CVSSv2
CVE-2020-15659
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 have been exploited to run arbitrary code. This vuln...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
9.3
CVSSv2
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
9.3
CVSSv2
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
9.3
CVSSv2
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
9.3
CVSSv2
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
9.3
CVSSv2
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
9.3
CVSSv2
CVE-2019-11752
It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. This results in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 6...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
9.3
CVSSv2
CVE-2018-12391
During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-48693
CVE-2024-30851
CVE-2024-34460
CVE-2024-2887
local
CVE-2024-27956
remote code execution
CVE-2024-34475
privilege
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