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Test ID:1.3.6.1.4.1.25623.1.1.12.2021.4756.1
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-4756-1)
Summary:The remote host is missing an update for the 'firefox' package(s) announced via the USN-4756-1 advisory.
Description:Summary:
The remote host is missing an update for the 'firefox' package(s) announced via the USN-4756-1 advisory.

Vulnerability Insight:
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 cross-site scripting (XSS) attacks, bypass HTTP auth
phishing warnings, or execute arbitrary code.

Affected Software/OS:
'firefox' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10.

Solution:
Please install the updated package(s).

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-23968
Debian Security Information: DSA-4866 (Google Search)
https://www.debian.org/security/2021/dsa-4866
https://security.gentoo.org/glsa/202104-09
https://security.gentoo.org/glsa/202104-10
https://bugzilla.mozilla.org/show_bug.cgi?id=1687342
https://www.mozilla.org/security/advisories/mfsa2021-07/
https://www.mozilla.org/security/advisories/mfsa2021-08/
https://www.mozilla.org/security/advisories/mfsa2021-09/
https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html
Common Vulnerability Exposure (CVE) ID: CVE-2021-23969
https://bugzilla.mozilla.org/show_bug.cgi?id=1542194
Common Vulnerability Exposure (CVE) ID: CVE-2021-23970
https://bugzilla.mozilla.org/show_bug.cgi?id=1681724
Common Vulnerability Exposure (CVE) ID: CVE-2021-23971
https://bugzilla.mozilla.org/show_bug.cgi?id=1678545
Common Vulnerability Exposure (CVE) ID: CVE-2021-23972
https://bugzilla.mozilla.org/show_bug.cgi?id=1683536
Common Vulnerability Exposure (CVE) ID: CVE-2021-23973
https://bugzilla.mozilla.org/show_bug.cgi?id=1690976
Common Vulnerability Exposure (CVE) ID: CVE-2021-23974
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627
Common Vulnerability Exposure (CVE) ID: CVE-2021-23975
https://bugzilla.mozilla.org/show_bug.cgi?id=1685145
Common Vulnerability Exposure (CVE) ID: CVE-2021-23978
https://bugzilla.mozilla.org/buglist.cgi?bug_id=786797%2C1682928%2C1687391%2C1687597
Common Vulnerability Exposure (CVE) ID: CVE-2021-23979
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1663222%2C1666607%2C1672120%2C1678463%2C1678927%2C1679560%2C1681297%2C1681684%2C1683490%2C1684377%2C1684902
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