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Vulnerability of Mozilla Firefox, Thunderbird: multiple vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Mozilla Firefox.
Impacted software: Debian, Fedora, Firefox, Thunderbird, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 4/4.
Number of vulnerabilities in this bulletin: 11.
Creation date: 05/05/2020.
Références of this announce: CERTFR-2020-AVI-266, CERTFR-2020-AVI-268, CVE-2020-12387, CVE-2020-12388, CVE-2020-12389, CVE-2020-12390, CVE-2020-12391, CVE-2020-12392, CVE-2020-12393, CVE-2020-12394, CVE-2020-12395, CVE-2020-12396, CVE-2020-12397, DLA-2205-1, DLA-2206-1, DSA-4678-1, DSA-4683-1, FEDORA-2020-3c52435c2d, FEDORA-2020-9e2c5c8f1e, FEDORA-2020-f389eab5d1, MFSA2020-16, MFSA2020-17, MFSA2020-18, openSUSE-SU-2020:0621-1, openSUSE-SU-2020:0643-1, RHSA-2020:2031-01, RHSA-2020:2032-01, RHSA-2020:2033-01, RHSA-2020:2036-01, RHSA-2020:2037-01, RHSA-2020:2046-01, RHSA-2020:2047-01, RHSA-2020:2048-01, RHSA-2020:2049-01, RHSA-2020:2050-01, SSA:2020-126-01, SSA:2020-126-02, SUSE-SU-2020:1209-1, SUSE-SU-2020:1218-1, SUSE-SU-2020:1225-1, SUSE-SU-2020:14359-1, USN-4353-1, USN-4353-2, VIGILANCE-VUL-32182.

Description of the vulnerability 

An attacker can use several vulnerabilities of Mozilla Firefox....
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This security alert impacts software or systems such as Debian, Fedora, Firefox, Thunderbird, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security weakness is critical.

The trust level is of type confirmed by the editor, with an origin of internet server.

This bulletin is about 11 vulnerabilities.

An attacker with a expert ability can exploit this security announce.

Solutions for this threat 

This vulnerability patch will be public soon.
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