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ubuntucveUbuntu.comUB:CVE-2021-38499
HistoryNov 03, 2021 - 12:00 a.m.

CVE-2021-38499

2021-11-0300:00:00
ubuntu.com
ubuntu.com
7

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

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.0%

JSON

Mozilla developers reported memory safety bugs present in Firefox 92. 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 < 93.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 93.0+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 93.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchfirefox< 93.0+build1-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu22.04noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu22.10noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu23.04noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu23.10noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu24.04noarchfirefox< 93.0+build1-0ubuntu2UNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
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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

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.0%

JSON
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