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ubuntucveUbuntu.comUB:CVE-2020-12395
HistoryMay 06, 2020 - 12:00 a.m.

CVE-2020-12395

2020-05-0600:00:00
ubuntu.com
ubuntu.com
16

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.007 Low

EPSS

Percentile

79.5%

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
vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird <
68.8.0.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 76.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu19.10noarchfirefox< 76.0+build2-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchfirefox< 76.0+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 76.0+build2-0ubuntu1UNKNOWN
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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.007 Low

EPSS

Percentile

79.5%