firefox 76.0+build2-0ubuntu0.18.04.1: firefox 76.0+build2-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

firefox 76.0+build2-0ubuntu0.18.04.1, released May 6, 2020, fixes 8 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product

CVEs closed

4 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0580

93rd percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 4
                                High 3
                                Routine 1

Fixed package versions

Product	Release	Fixed in
firefox	Ubuntu 18.04.6 LTS (bionic)	76.0+build2-0ubuntu0.18.04.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2020-6831	Firefox ESR: A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC.	9.8	0.0580	None reported
Urgent	CVE-2020-12395	Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox…	9.8	0.0260	None reported
Urgent	CVE-2020-12387	Firefox ESR: A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability.	8.8	0.0144	None reported
Urgent	CVE-2020-12392	Firefox ESR: The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request,…	6.1	0.0035	None reported
High	CVE-2020-12396	Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 75.	9.8	0.0168	None reported
High	CVE-2020-12390	Firefox ESR: Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks.	9.8	0.0162	None reported
High	CVE-2020-12391	Firefox ESR: Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context.	7.5	0.0146	None reported
Routine	CVE-2020-12394	Firefox ESR: A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current…	3.3	0.0029	None reported

Also fixes CVE-2020-6831

Mozilla Firefox ESR (en-US) 78.0esr
Mozilla Firefox ESR (en-US)
firefox 76.0+build2-0ubuntu0.20.04.1
firefox on Ubuntu 20.04 LTS (focal)
firefox-geckodriver 76.0+build2-0ubuntu0.18.04.1
firefox-geckodriver on Ubuntu 18.04.6 LTS (bionic)
firefox-geckodriver 76.0+build2-0ubuntu0.20.04.1
firefox-geckodriver on Ubuntu 20.04 LTS (focal)
firefox-mozsymbols 76.0+build2-0ubuntu0.18.04.1
firefox-mozsymbols on Ubuntu 18.04.6 LTS (bionic)
firefox-mozsymbols 76.0+build2-0ubuntu0.20.04.1
firefox-mozsymbols on Ubuntu 20.04 LTS (focal)
ELSA-2020-2046
thunderbird on ol 8
RHSA-2020:2046
thunderbird on RHEL 8

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