[SECURITY] [DLA 2496-1] firefox-esr security update

2020-12-1622:00:30

lists.debian.org

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

72.4%

JSON

Debian LTS Advisory DLA-2496-1 [email protected]
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
December 16, 2020 https://wiki.debian.org/LTS

Package : firefox-esr
Version : 78.6.0esr-1~deb9u1
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 Debian 9 stretch, these problems have been fixed in version
78.6.0esr-1~deb9u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

OSVersionArchitecturePackageVersionFilename
Debian10allthunderbird-l10n-all< 1:78.6.0-1~deb10u1thunderbird-l10n-all_1:78.6.0-1~deb10u1_all.deb
Debian10allthunderbird-l10n-rm< 1:78.6.0-1~deb10u1thunderbird-l10n-rm_1:78.6.0-1~deb10u1_all.deb
Debian10allfirefox-esr-l10n-ach< 78.6.0esr-1~deb10u1firefox-esr-l10n-ach_78.6.0esr-1~deb10u1_all.deb
Debian10alliceweasel-l10n-an< 1:78.6.0esr-1~deb10u1iceweasel-l10n-an_1:78.6.0esr-1~deb10u1_all.deb
Debian9alllightning-l10n-fr< 1:78.6.0-1~deb9u1lightning-l10n-fr_1:78.6.0-1~deb9u1_all.deb
Debian10allthunderbird-l10n-cak< 1:78.6.0-1~deb10u1thunderbird-l10n-cak_1:78.6.0-1~deb10u1_all.deb
Debian9alllightning-l10n-rm< 1:78.6.0-1~deb9u1lightning-l10n-rm_1:78.6.0-1~deb9u1_all.deb
Debian9alliceweasel-l10n-hr< 1:78.6.0esr-1~deb9u1iceweasel-l10n-hr_1:78.6.0esr-1~deb9u1_all.deb
Debian9alliceweasel-l10n-pa-in< 1:78.6.0esr-1~deb9u1iceweasel-l10n-pa-in_1:78.6.0esr-1~deb9u1_all.deb
Debian9allthunderbird-l10n-lt< 1:78.6.0-1~deb9u1thunderbird-l10n-lt_1:78.6.0-1~deb9u1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	all	thunderbird-l10n-all	< 1:78.6.0-1~deb10u1	thunderbird-l10n-all_1:78.6.0-1~deb10u1_all.deb
Debian	10	all	thunderbird-l10n-rm	< 1:78.6.0-1~deb10u1	thunderbird-l10n-rm_1:78.6.0-1~deb10u1_all.deb
Debian	10	all	firefox-esr-l10n-ach	< 78.6.0esr-1~deb10u1	firefox-esr-l10n-ach_78.6.0esr-1~deb10u1_all.deb
Debian	10	all	iceweasel-l10n-an	< 1:78.6.0esr-1~deb10u1	iceweasel-l10n-an_1:78.6.0esr-1~deb10u1_all.deb
Debian	9	all	lightning-l10n-fr	< 1:78.6.0-1~deb9u1	lightning-l10n-fr_1:78.6.0-1~deb9u1_all.deb
Debian	10	all	thunderbird-l10n-cak	< 1:78.6.0-1~deb10u1	thunderbird-l10n-cak_1:78.6.0-1~deb10u1_all.deb
Debian	9	all	lightning-l10n-rm	< 1:78.6.0-1~deb9u1	lightning-l10n-rm_1:78.6.0-1~deb9u1_all.deb
Debian	9	all	iceweasel-l10n-hr	< 1:78.6.0esr-1~deb9u1	iceweasel-l10n-hr_1:78.6.0esr-1~deb9u1_all.deb
Debian	9	all	iceweasel-l10n-pa-in	< 1:78.6.0esr-1~deb9u1	iceweasel-l10n-pa-in_1:78.6.0esr-1~deb9u1_all.deb
Debian	9	all	thunderbird-l10n-lt	< 1:78.6.0-1~deb9u1	thunderbird-l10n-lt_1:78.6.0-1~deb9u1_all.deb