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Ubuntu.comUB:CVE-2019-9820
HistoryMay 21, 2019 - 12:00 a.m.

CVE-2019-9820

2019-05-2100:00:00
ubuntu.com
ubuntu.com
5

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.2%

A use-after-free vulnerability can occur in the chrome event handler when
it is freed while still in use. This results in a potentially exploitable
crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and
Firefox ESR < 60.7.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs52< anyUNKNOWN
ubuntuupstreamnoarchmozjs52< anyUNKNOWN
ubuntuupstreamnoarchmozjs60< anyUNKNOWN
ubuntu18.04noarchfirefox< 67.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu18.10noarchfirefox< 67.0+build2-0ubuntu0.18.10.1UNKNOWN
ubuntu19.04noarchfirefox< 67.0+build2-0ubuntu0.19.04.1UNKNOWN
ubuntu19.10noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
ubuntu20.04noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
ubuntu20.10noarchfirefox< 67.0+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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

75.2%

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