ELSA-2020-3038: thunderbird security update

ELSA-2020-3038, released July 22, 2020, fixes 5 CVEs in thunderbird (version 0:68.10.0-1.0.1.el8_2). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0303

87th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 2

Fixed package versions

Product	Release	Fixed in
thunderbird	ol 8	0:68.10.0-1.0.1.el8_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2020-12417	Firefox ESR: Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier,…	8.8	0.0268	None reported
High	CVE-2020-12419	Firefox ESR: When processing callbacks that occurred during window flushing in the parent process, the associated…	8.8	0.0232	None reported
High	CVE-2020-12420	Firefox ESR: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer,…	8.8	0.0186	None reported
Routine	CVE-2020-12418	Firefox ESR: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process…	6.5	0.0303	None reported
Routine	CVE-2020-12421	Firefox ESR: When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even…	6.5	0.0184	None reported

Also fixes CVE-2020-12417

Mozilla Firefox ESR (en-US) 78.0esr
Mozilla Firefox ESR (en-US)
thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1
thunderbird on Ubuntu 18.04.6 LTS (bionic)
thunderbird 1:68.10.0+build1-0ubuntu0.20.04.1
thunderbird on Ubuntu 20.04 LTS (focal)
thunderbird-gnome-support 1:68.10.0+build1-0ubuntu0.18.04.1
thunderbird-gnome-support on Ubuntu 18.04.6 LTS (bionic)
thunderbird-gnome-support 1:68.10.0+build1-0ubuntu0.20.04.1
thunderbird-gnome-support on Ubuntu 20.04 LTS (focal)
thunderbird-mozsymbols 1:68.10.0+build1-0ubuntu0.18.04.1
thunderbird-mozsymbols on Ubuntu 18.04.6 LTS (bionic)
thunderbird-mozsymbols 1:68.10.0+build1-0ubuntu0.20.04.1
thunderbird-mozsymbols on Ubuntu 20.04 LTS (focal)
xul-ext-calendar-timezones 1:68.10.0+build1-0ubuntu0.18.04.1
xul-ext-calendar-timezones on Ubuntu 18.04.6 LTS (bionic)

Vendor advisory

https://linux.oracle.com/errata/ELSA-2020-3038.html

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