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ubuntucveUbuntu.comUB:CVE-2019-17021
HistoryJan 08, 2020 - 12:00 a.m.

CVE-2019-17021

2020-01-0800:00:00
ubuntu.com
ubuntu.com
10

CVSS2

2.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.008

Percentile

81.6%

During the initialization of a new content process, a race condition occurs
that can allow a content process to disclose heap addresses from the parent
process. Note: this issue only occurs on Windows. Other operating systems
are unaffected.
. This vulnerability affects Firefox ESR < 68.4 and Firefox
< 72.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine

CVSS2

2.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.008

Percentile

81.6%