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ubuntuUbuntuUSN-5186-1
HistoryDec 09, 2021 - 12:00 a.m.

Firefox vulnerabilities

2021-12-0900:00:00
ubuntu.com
47

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

8.3 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

0.005 Low

EPSS

Percentile

75.5%

JSON

Releases

  • Ubuntu 21.10
  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • firefox - Mozilla Open Source web browser

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, obtain sensitive
information, conduct spoofing attacks, bypass CSP restrictions, or
execute arbitrary code. (CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,
CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,
CVE-2021-43545, CVE-2021-43546)

A security issue was discovered with the handling of WebExtension
permissions. If a user were tricked into installing a specially crafted
extension, an attacker could potentially exploit this to create and
install a service worker that wouldn’t be uninstalled with the extension.
(CVE-2021-43540)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchfirefox< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dbg< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-dev< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-geckodriver< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-af< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-an< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ar< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-as< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-ast< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchfirefox-locale-az< 95.0+build1-0ubuntu0.21.10.1UNKNOWN
Rows per page:
1-10 of 3921

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2021-12-10 00:00:00
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2021-12-21 00:00:00
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2021-12-13 00:00:00
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2021-12-09 18:55:33
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2021-12-08 09:42:58
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2021-12-10 00:00:00
Security update for MozillaFirefox (important)
2021-12-12 00:00:00
Security update for MozillaThunderbird (important)
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oraclelinux
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firefox security update
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thunderbird security update
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[ASA-202112-8] firefox: multiple issues
2021-12-11 00:00:00
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2021-12-11 00:00:00
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Security fix for the ALT Linux 10 package firefox-esr version 91.4.0-alt1
2021-12-14 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 91.4.0-alt1
2021-12-21 00:00:00
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Important: firefox security update
2021-12-08 09:42:58
Important: thunderbird security update
2021-12-09 12:14:59
redhat
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(RHSA-2021:5014) Important: firefox security update
2021-12-08 09:42:59
(RHSA-2021:5013) Important: firefox security update
2021-12-08 09:42:58
(RHSA-2021:5017) Important: firefox security update
2021-12-08 09:44:27
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mozilla
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2021-12-07 00:00:00
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2021-12-07 00:00:00
Security Vulnerabilities fixed in Firefox 95 — Mozilla
2021-12-07 00:00:00
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2021-12-11 01:19:07
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2021-12-11 01:19:07
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2021-12-07 00:00:00
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2021-12-07 00:00:00
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2021-12-19 15:23:09
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2021-12-29 14:08:44
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2022-01-02 17:01:50
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Code injection
2021-12-08 22:15:00
Design/Logic Flaw
2021-12-08 22:15:00
Design/Logic Flaw
2021-12-08 22:15:00
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Mozilla Firefox ESR input validation error vulnerability
2021-12-10 00:00:00
Mozilla Firefox ESR code issue vulnerability (CNVD-2021-99620)
2021-12-12 00:00:00
Mozilla Firefox Resource Management Error Vulnerability (CNVD-2021-99619)
2021-12-12 00:00:00
cve
cve
CVE-2021-43540
2021-12-08 22:15:00
CVE-2021-43546
2021-12-08 22:15:00
CVE-2021-43545
2021-12-08 22:15:00
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2021-12-08 22:15:00
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2021-12-12 06:15:00
Remote Code Execution (RCE)
2021-12-10 07:38:42
Denial Of Service (DoS)
2021-12-10 07:39:17
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debiancve
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2021-12-08 22:15:00
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2021-12-08 22:15:00
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2021-12-08 22:15:00
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2021-12-08 02:49:49
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2021-12-08 02:49:43
CVE-2021-43546
2021-12-08 02:49:55
gentoo
gentoo
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2022-02-21 00:00:00

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

8.3 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

0.005 Low

EPSS

Percentile

75.5%

JSON
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