[SECURITY] [DSA 4790-1] thunderbird security update

2020-11-1221:40:43

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

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

0.924 High

EPSS

Percentile

98.9%

JSON

Debian Security Advisory DSA-4790-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
November 12, 2020 https://www.debian.org/security/faq

Package : thunderbird
CVE ID : CVE-2020-26950

A use-after-free was found in Thunderbird, which could potentially result
in the execution of arbitrary code.

For the stable distribution (buster), this problem has been fixed in
version 1:78.4.2-1~deb10u1.

We recommend that you upgrade your thunderbird packages.

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

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
Debian9allicedove-l10n-zh-tw< 1:78.4.2-1~deb9u1icedove-l10n-zh-tw_1:78.4.2-1~deb9u1_all.deb
Debian9allfirefox-esr-l10n-si< 78.4.1esr-1~deb9u1firefox-esr-l10n-si_78.4.1esr-1~deb9u1_all.deb
Debian9allthunderbird-l10n-es-ar< 1:78.4.2-1~deb9u1thunderbird-l10n-es-ar_1:78.4.2-1~deb9u1_all.deb
Debian9alliceweasel-l10n-ms< 1:78.4.1esr-1~deb9u1iceweasel-l10n-ms_1:78.4.1esr-1~deb9u1_all.deb
Debian10allfirefox-esr-l10n-hsb< 78.4.1esr-1~deb10u1firefox-esr-l10n-hsb_78.4.1esr-1~deb10u1_all.deb
Debian10allfirefox-esr-l10n-pl< 78.4.1esr-1~deb10u1firefox-esr-l10n-pl_78.4.1esr-1~deb10u1_all.deb
Debian9allfirefox-esr-l10n-ach< 78.4.1esr-1~deb9u1firefox-esr-l10n-ach_78.4.1esr-1~deb9u1_all.deb
Debian9alliceowl-l10n-et< 1:78.4.2-1~deb9u1iceowl-l10n-et_1:78.4.2-1~deb9u1_all.deb
Debian9alliceweasel-l10n-mk< 1:78.4.1esr-1~deb9u1iceweasel-l10n-mk_1:78.4.1esr-1~deb9u1_all.deb
Debian10allthunderbird-l10n-gl< 1:78.4.2-1~deb10u1thunderbird-l10n-gl_1:78.4.2-1~deb10u1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	all	icedove-l10n-zh-tw	< 1:78.4.2-1~deb9u1	icedove-l10n-zh-tw_1:78.4.2-1~deb9u1_all.deb
Debian	9	all	firefox-esr-l10n-si	< 78.4.1esr-1~deb9u1	firefox-esr-l10n-si_78.4.1esr-1~deb9u1_all.deb
Debian	9	all	thunderbird-l10n-es-ar	< 1:78.4.2-1~deb9u1	thunderbird-l10n-es-ar_1:78.4.2-1~deb9u1_all.deb
Debian	9	all	iceweasel-l10n-ms	< 1:78.4.1esr-1~deb9u1	iceweasel-l10n-ms_1:78.4.1esr-1~deb9u1_all.deb
Debian	10	all	firefox-esr-l10n-hsb	< 78.4.1esr-1~deb10u1	firefox-esr-l10n-hsb_78.4.1esr-1~deb10u1_all.deb
Debian	10	all	firefox-esr-l10n-pl	< 78.4.1esr-1~deb10u1	firefox-esr-l10n-pl_78.4.1esr-1~deb10u1_all.deb
Debian	9	all	firefox-esr-l10n-ach	< 78.4.1esr-1~deb9u1	firefox-esr-l10n-ach_78.4.1esr-1~deb9u1_all.deb
Debian	9	all	iceowl-l10n-et	< 1:78.4.2-1~deb9u1	iceowl-l10n-et_1:78.4.2-1~deb9u1_all.deb
Debian	9	all	iceweasel-l10n-mk	< 1:78.4.1esr-1~deb9u1	iceweasel-l10n-mk_1:78.4.1esr-1~deb9u1_all.deb
Debian	10	all	thunderbird-l10n-gl	< 1:78.4.2-1~deb10u1	thunderbird-l10n-gl_1:78.4.2-1~deb10u1_all.deb