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ubuntuUbuntuUSN-4637-1
HistoryNov 18, 2020 - 12:00 a.m.

Firefox vulnerabilities

2020-11-1800:00:00
ubuntu.com
77

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

8.7 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.005 Low

EPSS

Percentile

75.3%

JSON

Releases

  • Ubuntu 20.10
  • 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 in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across origins, bypass security restrictions, conduct phishing
attacks, conduct cross-site scripting (XSS) attacks, bypass Content
Security Policy (CSP) restrictions, conduct DNS rebinding attacks, or
execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchfirefox< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-dbg< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-dev< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-geckodriver< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-af< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-an< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-ar< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-as< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-ast< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchfirefox-locale-az< 83.0+build2-0ubuntu0.20.10.1UNKNOWN
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1-10 of 2911

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Firefox vulnerabilities
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Thunderbird vulnerabilities
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(RHSA-2020:5234) Important: firefox security update
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thunderbird security update
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Security Vulnerabilities fixed in Firefox 83 — Mozilla
2020-11-17 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.5 — Mozilla
2020-11-17 00:00:00
Security Vulnerabilities fixed in Thunderbird 78.5 — Mozilla
2020-11-17 00:00:00
altlinux
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Security fix for the ALT Linux 10 package thunderbird version 78.5.0-alt1
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2020-11-20 09:51:18
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2020-11-20 10:10:07
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2020-11-20 09:45:17
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CVE-2020-26951
2020-12-09 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

8.7 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.005 Low

EPSS

Percentile

75.3%

JSON
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