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ubuntuUbuntuUSN-4671-1
HistoryDec 15, 2020 - 12:00 a.m.

Firefox vulnerabilities

2020-12-1500:00:00
ubuntu.com
128
firefox
security issues
denial of service
sensitive information theft
arbitrary code execution
ubuntu
mozilla
web browser

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

Low

EPSS

0.006

Percentile

78.5%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 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, bypass the CSS sanitizer, bypass security restrictions,
spoof the URL bar, or execute arbitrary code. (CVE-2020-16042,
CVE-2020-26971, CVE-2020-26972, CVE-2020-26793, CVE-2020-26974,
CVE-2020-26976, CVE-2020-26978, CVE-2020-26979,
CVE-2020-35113, CVE-2020-35114)

It was discovered that the proxy.onRequest API did not catch
view-source URLs. If a user were tricked in to installing an
extension with the proxy permission and opening View Source, an
attacker could potentially exploit this to obtain sensitive
information. (CVE-2020-35111)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchfirefox< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-dbg< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-dev< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-geckodriver< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-af< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-an< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-ar< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-as< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-ast< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-az< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
Rows per page:
1-10 of 3901

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Mozilla Firefox Security Advisory (MFSA2020-54) - Linux
2021-11-08 00:00:00
Ubuntu: Security Advisory (USN-4671-1)
2020-12-16 00:00:00
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2022-01-28 00:00:00
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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4671-1)
2020-12-16 00:00:00
CentOS 7 : thunderbird (CESA-2020:5618)
2020-12-22 00:00:00
RHEL 8 : firefox (RHSA-2020:5565)
2020-12-18 00:00:00
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[ASA-202012-25] firefox: multiple issues
2020-12-16 00:00:00
[ASA-202012-23] thunderbird: multiple issues
2020-12-16 00:00:00
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(RHSA-2020:5562) Important: firefox security update
2020-12-16 07:29:53
(RHSA-2020:5561) Important: firefox security update
2020-12-16 07:29:44
(RHSA-2020:5564) Important: firefox security update
2020-12-16 07:30:06
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2020-12-17 09:30:44
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2020-12-17 09:30:44
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2020-12-16 12:46:35
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oraclelinux
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2020-12-17 00:00:00
firefox security update
2020-12-17 00:00:00
thunderbird security update
2020-12-18 00:00:00
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centos
thunderbird security update
2020-12-21 20:46:06
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Updated thunderbird packages fix security vulnerabilities
2020-12-17 16:10:41
Updated firefox packages fix security vulnerabilities
2020-12-17 16:10:41
threatpost
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Firefox Patches Critical Mystery Bug, Also Impacting Google Chrome
2020-12-15 21:04:30
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2020-12-23 00:00:00
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KLA12029 Multiple vulnerabilities in Mozilla Firefox
2020-12-15 00:00:00
KLA12031 Multiple vulnerabilities in Mozilla Thunderbird
2020-12-15 00:00:00
KLA12030 Multiple vulnerabilities in Mozilla Firefox ESR
2020-12-15 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Thunderbird 78.6 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox 84 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.6 — Mozilla
2020-12-15 00:00:00
altlinux
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Security fix for the ALT Linux 10 package firefox-esr version 78.6.0-alt1
2020-12-14 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.6.0-alt1
2020-12-15 00:00:00
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2020-12-25 00:00:00
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2021-05-18 11:41:03
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Important: thunderbird
2021-01-05 23:35:00
prion
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Memory corruption
2021-01-07 14:15:00
Code injection
2021-01-07 14:15:00
Code injection
2021-01-07 14:15:00
cve
cve
CVE-2020-35114
2021-01-07 14:15:12
CVE-2020-26972
2021-01-07 14:15:11
CVE-2020-26979
2021-01-07 14:15:12
cvelist
cvelist
CVE-2020-35114
2021-01-07 13:49:08
CVE-2020-26972
2021-01-07 13:53:39
CVE-2020-26979
2021-01-07 13:51:22
veracode
veracode
Arbitrary Code Execution
2020-12-16 08:38:18
Denial Of Service (DoS)
2020-12-16 08:42:07
URL Bar Redirection
2020-12-16 08:38:16
alpinelinux
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CVE-2020-35114
2021-01-07 14:15:12
CVE-2020-26979
2021-01-07 14:15:12
CVE-2020-26972
2021-01-07 14:15:11
ubuntucve
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2020-12-15 00:00:00
CVE-2020-26979
2020-12-15 00:00:00
CVE-2020-26972
2020-12-15 00:00:00
debiancve
debiancve
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2021-01-07 14:15:12
CVE-2020-26979
2021-01-07 14:15:12
CVE-2020-26972
2021-01-07 14:15:11
nvd
nvd
CVE-2020-35114
2021-01-07 14:15:12
CVE-2020-26972
2021-01-07 14:15:11
CVE-2020-26979
2021-01-07 14:15:12
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rosalinux
Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55
redhatcve
redhatcve
CVE-2020-35111
2020-12-15 18:32:37
CVE-2020-35113
2020-12-15 18:32:43
CVE-2020-26978
2020-12-15 18:32:28

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

Low

EPSS

0.006

Percentile

78.5%

JSON
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