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debianDebianDEBIAN:DSA-4813-1:29C6F
HistoryDec 16, 2020 - 12:46 p.m.

[SECURITY] [DSA 4813-1] firefox-esr security update

2020-12-1612:46:35
lists.debian.org
41

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.4 High

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

72.8%


Debian Security Advisory DSA-4813-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
December 16, 2020 https://www.debian.org/security/faq


Package : firefox-esr
CVE ID : CVE-2020-16042 CVE-2020-26971 CVE-2020-26973 CVE-2020-26974
CVE-2020-26978 CVE-2020-35111 CVE-2020-35113

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure or CSS sanitiser bypass.

For the stable distribution (buster), these problems have been fixed in
version 78.6.0esr-1~deb10u1.

We recommend that you upgrade your firefox-esr packages.

For the detailed security status of firefox-esr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/firefox-esr

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.4 High

AI Score

Confidence

Low

0.004 Low

EPSS

Percentile

72.8%