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

Firefox vulnerabilities

2020-12-1500:00:00
ubuntu.com
97

7.5 High

CVSS2

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

9.8 High

CVSS3

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

9 High

AI Score

Confidence

Low

0.006 Low

EPSS

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
Debian: Security Advisory (DLA-2496-1)
2020-12-17 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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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4671-1)
2020-12-16 00:00:00
Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2020:5561)
2020-12-17 00:00:00
RHEL 8 : firefox (RHSA-2020:5562)
2020-12-18 00:00:00
oraclelinux
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firefox security update
2020-12-17 00:00:00
firefox security update
2020-12-17 00:00:00
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Updated firefox packages fix security vulnerabilities
2020-12-17 16:10:41
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2020-12-17 16:10:41
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[SECURITY] [DSA 4815-1] thunderbird security update
2020-12-17 09:30:44
[SECURITY] [DSA 4815-1] thunderbird security update
2020-12-17 09:30:44
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2020-12-16 12:46:35
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thunderbird security update
2020-12-21 20:46:06
redhat
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(RHSA-2020:5561) Important: firefox security update
2020-12-16 07:29:44
(RHSA-2020:5562) Important: firefox security update
2020-12-16 07:29:53
(RHSA-2020:5565) Important: firefox security update
2020-12-16 08:01:21
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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
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2020-12-15 00:00:00
mozilla
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Security Vulnerabilities fixed in Firefox 84 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Thunderbird 78.6 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.6 — Mozilla
2020-12-15 00:00:00
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2020-12-22 00:00:00
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Important: thunderbird
2021-01-05 23:35:00
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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
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Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55
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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
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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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CVE-2020-35114
2021-01-07 14:15:12
CVE-2020-26979
2021-01-07 14:15:12
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2021-01-07 14:15:11
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Arbitrary Code Execution
2020-12-16 08:38:18
URL Bar Redirection
2020-12-16 08:38:16
Denial Of Service (DoS)
2020-12-16 08:42:07
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ubuntucve
CVE-2020-35114
2020-12-15 00:00:00
CVE-2020-26979
2020-12-15 00:00:00
CVE-2020-26972
2020-12-15 00:00:00
redhatcve
redhatcve
CVE-2020-35111
2020-12-15 18:32:37
CVE-2020-35113
2020-12-15 18:32:43
CVE-2020-26976
2021-01-26 19:53:17

7.5 High

CVSS2

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

9.8 High

CVSS3

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

9 High

AI Score

Confidence

Low

0.006 Low

EPSS

Percentile

78.5%

JSON
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