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ubuntucveUbuntu.comUB:CVE-2021-23962
HistoryJan 26, 2021 - 12:00 a.m.

CVE-2021-23962

2021-01-2600:00:00
ubuntu.com
ubuntu.com
11

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.6%

JSON

Incorrect use of the ‘<RowCountChanged>’ method could have led to a
user-after-poison and a potentially exploitable crash. This vulnerability
affects Firefox < 85.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 85.0+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 85.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 85.0+build1-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 85.0+build1-0ubuntu1UNKNOWN
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1-10 of 161

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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.6%

JSON
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