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ubuntuUbuntuUSN-5434-1
HistoryMay 23, 2022 - 12:00 a.m.

Firefox vulnerabilities

2022-05-2300:00:00
ubuntu.com
64
firefox
ubuntu
vulnerabilities
array object
prototype pollution
privileged context
javascript

CVSS3

8.8

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

AI Score

9

Confidence

High

EPSS

0.002

Percentile

65.0%

Releases

  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • firefox - Mozilla Open Source web browser

Details

It was discovered that the methods of an Array object could be corrupted
as a result of prototype pollution by sending a message to the parent
process. If a user were tricked into opening a specially crafted website,
an attacker could exploit this to execute JavaScript in a privileged
context.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchfirefox< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dbg< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dev< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-geckodriver< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-af< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-an< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ar< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-as< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ast< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-az< 100.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Rows per page:
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CVSS3

8.8

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

AI Score

9

Confidence

High

EPSS

0.002

Percentile

65.0%