[SECURITY] [DSA 4793-1] firefox-esr security update

2020-11-1818:44:22

lists.debian.org

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

40.5%

JSON

Debian Security Advisory DSA-4793-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
November 18, 2020 https://www.debian.org/security/faq

Package : firefox-esr
CVE ID : CVE-2020-16012 CVE-2020-26951 CVE-2020-26953 CVE-2020-26956
CVE-2020-26958 CVE-2020-26959 CVE-2020-26960 CVE-2020-26961
CVE-2020-26965 CVE-2020-26968

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure, phishing, cross-site scripting or a DNS
rebinding attack.

For the stable distribution (buster), these problems have been fixed in
version 78.5.0esr-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]

OSVersionArchitecturePackageVersionFilename
Debian9allfirefox-esr-l10n-ne-np< 78.5.0esr-1~deb9u1firefox-esr-l10n-ne-np_78.5.0esr-1~deb9u1_all.deb
Debian9allthunderbird-l10n-eu< 1:78.5.0-1~deb9u1thunderbird-l10n-eu_1:78.5.0-1~deb9u1_all.deb
Debian10allfirefox-esr-l10n-gl< 78.5.0esr-1~deb10u1firefox-esr-l10n-gl_78.5.0esr-1~deb10u1_all.deb
Debian10alllightning-l10n-da< 1:78.5.0-1~deb10u1lightning-l10n-da_1:78.5.0-1~deb10u1_all.deb
Debian9allthunderbird-l10n-hu< 1:78.5.0-1~deb9u1thunderbird-l10n-hu_1:78.5.0-1~deb9u1_all.deb
Debian9alliceweasel-l10n-az< 1:78.5.0esr-1~deb9u1iceweasel-l10n-az_1:78.5.0esr-1~deb9u1_all.deb
Debian9allfirefox-esr-l10n-ca< 78.5.0esr-1~deb9u1firefox-esr-l10n-ca_78.5.0esr-1~deb9u1_all.deb
Debian9amd64thunderbird-dbg< 1:78.5.0-1~deb9u1thunderbird-dbg_1:78.5.0-1~deb9u1_amd64.deb
Debian9alliceowl-l10n-hu< 1:78.5.0-1~deb9u1iceowl-l10n-hu_1:78.5.0-1~deb9u1_all.deb
Debian9allfirefox-esr-l10n-trs< 78.5.0esr-1~deb9u1firefox-esr-l10n-trs_78.5.0esr-1~deb9u1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	all	firefox-esr-l10n-ne-np	< 78.5.0esr-1~deb9u1	firefox-esr-l10n-ne-np_78.5.0esr-1~deb9u1_all.deb
Debian	9	all	thunderbird-l10n-eu	< 1:78.5.0-1~deb9u1	thunderbird-l10n-eu_1:78.5.0-1~deb9u1_all.deb
Debian	10	all	firefox-esr-l10n-gl	< 78.5.0esr-1~deb10u1	firefox-esr-l10n-gl_78.5.0esr-1~deb10u1_all.deb
Debian	10	all	lightning-l10n-da	< 1:78.5.0-1~deb10u1	lightning-l10n-da_1:78.5.0-1~deb10u1_all.deb
Debian	9	all	thunderbird-l10n-hu	< 1:78.5.0-1~deb9u1	thunderbird-l10n-hu_1:78.5.0-1~deb9u1_all.deb
Debian	9	all	iceweasel-l10n-az	< 1:78.5.0esr-1~deb9u1	iceweasel-l10n-az_1:78.5.0esr-1~deb9u1_all.deb
Debian	9	all	firefox-esr-l10n-ca	< 78.5.0esr-1~deb9u1	firefox-esr-l10n-ca_78.5.0esr-1~deb9u1_all.deb
Debian	9	amd64	thunderbird-dbg	< 1:78.5.0-1~deb9u1	thunderbird-dbg_1:78.5.0-1~deb9u1_amd64.deb
Debian	9	all	iceowl-l10n-hu	< 1:78.5.0-1~deb9u1	iceowl-l10n-hu_1:78.5.0-1~deb9u1_all.deb
Debian	9	all	firefox-esr-l10n-trs	< 78.5.0esr-1~deb9u1	firefox-esr-l10n-trs_78.5.0esr-1~deb9u1_all.deb