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ubuntuUbuntuUSN-5321-3
HistoryMar 24, 2022 - 12:00 a.m.

Firefox regressions

2022-03-2400:00:00
ubuntu.com
87

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

Low

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

0.008 Low

EPSS

Percentile

81.1%

Releases

  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • firefox - Mozilla Open Source web browser

Details

USN-5321-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, spoof the browser
UI, bypass security restrictions, obtain sensitive information, or execute
arbitrary code. (CVE-2022-0843, CVE-2022-26381, CVE-2022-26382,
CVE-2022-26383, CVE-2022-26384, CVE-2022-26385)

A TOCTOU bug was discovered when verifying addon signatures during
install. A local attacker could potentially exploit this to trick a
user into installing an addon with an invalid signature.
(CVE-2022-26387)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchfirefox< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dbg< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dev< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-geckodriver< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-af< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-an< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ar< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-as< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ast< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-az< 98.0.2+build1-0ubuntu0.21.10.1UNKNOWN
Rows per page:
1-10 of 2941

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

Low

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

0.008 Low

EPSS

Percentile

81.1%