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ubuntucveUbuntu.comUB:CVE-2019-9821
HistoryMay 21, 2019 - 12:00 a.m.

CVE-2019-9821

2019-05-2100:00:00
ubuntu.com
ubuntu.com
11

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.7%

JSON

A use-after-free vulnerability can occur in AssertWorkerThread due to a
race condition with shared workers. This results in a potentially
exploitable crash. This vulnerability affects Firefox < 67.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
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
ubuntu21.04noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 67.0+build2-0ubuntu1UNKNOWN
Rows per page:
1-10 of 171

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.7%

JSON
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