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Synthesis of the vulnerability 
An attacker can force the usage of a freed memory area via gl::Texture::onUnbindAsSamplerTexture() of ANGLE, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Debian, Fedora, Chrome, Edge Chromium, Firefox, openSUSE Leap, Opera, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 30/07/2020.
Références of this computer vulnerability: ADV200002, bulletinjul2020, CVE-2020-6463, DLA-2297-1, DLA-2310-1, DSA-4714-1, DSA-4714-2, DSA-4714-3, DSA-4736-1, DSA-4740-1, FEDORA-2020-0e7f1b663b, FEDORA-2020-da49fbb17c, MFSA2020-30, MFSA2020-31, MFSA2020-32, openSUSE-SU-2020:0604-1, openSUSE-SU-2020:0615-1, openSUSE-SU-2020:0635-1, openSUSE-SU-2020:0823-1, openSUSE-SU-2020:1147-1, openSUSE-SU-2020:1155-1, openSUSE-SU-2020:1179-1, openSUSE-SU-2020:1189-1, openSUSE-SU-2020:1205-1, RHSA-2020:1970-01, RHSA-2020:3229-01, RHSA-2020:3233-01, RHSA-2020:3241-01, RHSA-2020:3253-01, RHSA-2020:3254-01, RHSA-2020:3341-01, RHSA-2020:3342-01, RHSA-2020:3343-01, RHSA-2020:3344-01, RHSA-2020:3345-01, SSA:2020-209-01, SSA:2020-213-01, SUSE-SU-2020:14456-1, SUSE-SU-2020:2100-1, SUSE-SU-2020:2118-1, SUSE-SU-2020:2147-1, SUSE-SU-2020:2179-1, USN-4443-1, VIGILANCE-VUL-32959.
Description of the vulnerability 
An attacker can force the usage of a freed memory area via gl::Texture::onUnbindAsSamplerTexture() of ANGLE, in order to trigger a denial of service, and possibly to run code. Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This computer weakness alert impacts software or systems such as Debian, Fedora, Chrome, Edge Chromium, Firefox, openSUSE Leap, Opera, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Our Vigil@nce team determined that the severity of this weakness note is medium.
The trust level is of type confirmed by the editor, with an origin of document.
An attacker with a expert ability can exploit this weakness bulletin.
Solutions for this threat 
Google Chrome: version 81.0.4044.122.
The version 81.0.4044.122 is fixed:
https://www.google.com/intl/fr_fr/chrome/
Debian 10: new chromium packages.
New packages are available:
Debian 10: chromium 83.0.4103.116-1~deb10u3
Debian 10: new firefox-esr packages.
New packages are available:
Debian 10: firefox-esr 68.11.0esr-1~deb10u1
Debian 10: new thunderbird packages.
New packages are available:
Debian 10: thunderbird 1:68.11.0-1~deb10u1
Debian 9: new firefox-esr packages.
New packages are available:
Debian 9: firefox-esr 68.11.0esr-1~deb9u1
Debian 9: new thunderbird packages.
New packages are available:
Debian 9: thunderbird 1:68.11.0-1~deb9u1
Fedora 30: new chromium packages.
New packages are available:
Fedora 30: chromium 81.0.4044.122-1.fc30
Fedora 31: new chromium packages.
New packages are available:
Fedora 31: chromium 81.0.4044.138-1.fc31
Microsoft Edge Chromium: version 81.0.416.64.
The version 81.0.416.64 is fixed:
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200002
Mozilla Firefox: version 68.11.
The version 68.11 is fixed:
https://www.mozilla.org/
Mozilla Firefox: version 78.1.
The version 78.1 is fixed:
https://www.mozilla.org/
Mozilla Firefox: version 79.
The version 79 is fixed:
https://www.mozilla.org/
openSUSE Leap 15.1: new chromium packages (04/05/2020).
New packages are available:
openSUSE Leap 15.1: chromium 81.0.4044.129-lp151.2.85.1
openSUSE Leap 15.1: new chromium packages (18/06/2020).
New packages are available:
openSUSE Leap 15.1: chromium 83.0.4103.97-lp151.2.96.1
openSUSE Leap 15.1: new MozillaFirefox packages.
New packages are available:
openSUSE Leap 15.1: MozillaFirefox 78.1.0-lp151.2.61.1
openSUSE Leap 15.1: new MozillaThunderbird packages.
New packages are available:
openSUSE Leap 15.1: MozillaThunderbird 68.11.0-lp151.2.47.1
openSUSE Leap 15.1: new opera packages.
New packages are available:
openSUSE Leap 15.1: opera 68.0.3618.63-lp151.2.15.1
openSUSE Leap 15.2: new MozillaFirefox packages (07/08/2020).
New packages are available:
openSUSE Leap 15.2: MozillaFirefox 78.1.0-lp152.2.12.1
openSUSE Leap 15.2: new MozillaFirefox packages (13/08/2020).
New packages are available:
openSUSE Leap 15.2: MozillaFirefox 78.1.0-lp152.2.15.1
openSUSE Leap 15.2: new MozillaThunderbird packages.
New packages are available:
openSUSE Leap 15.2: MozillaThunderbird 68.11.0-lp152.2.7.1
Opera: version 68.0.3618.63.
The version 68.0.3618.63 is fixed.
Oracle Solaris: patch for third party software of July 2020 v3.
A patch is available:
https://support.oracle.com/rs?type=doc&id=1448883.1
RHEL 6.10: new firefox packages.
New packages are available:
RHEL 6.10: firefox 68.11.0-1.el6_10
RHEL 6: new chromium-browser packages.
New packages are available:
RHEL 6.10: chromium-browser 81.0.4044.122-1.el6_10
RHEL 7.8: new firefox packages.
New packages are available:
RHEL 7.8: firefox 68.11.0-1.el7_8
RHEL 8.0: new firefox packages.
New packages are available:
RHEL 8.0: firefox 68.11.0-1.el8_0
RHEL 8.1: new firefox packages.
New packages are available:
RHEL 8.1: firefox 68.11.0-1.el8_1
RHEL 8.2: new firefox packages.
New packages are available:
RHEL 8.2: firefox 68.11.0-1.el8_2
RHEL: new thunderbird packages.
New packages are available:
RHEL 6.10: thunderbird 68.11.0-1.el6_10
RHEL 7.8: thunderbird 68.11.0-1.el7_8
RHEL 8.0: thunderbird 68.11.0-1.el8_0
RHEL 8.1: thunderbird 68.11.0-1.el8_1
RHEL 8.2: thunderbird 68.11.0-1.el8_2
Slackware: new mozilla-firefox packages.
New packages are available:
Slackware 14.2: mozilla-firefox 68.11.0esr-*-1_slack14.2
Slackware: new mozilla-thunderbird packages.
New packages are available:
Slackware 14.2: mozilla-thunderbird 68.11.0-*-1_slack14.2
SUSE LE 11 SP4: new MozillaFirefox packages.
New packages are available:
SUSE LE 11 SP4: MozillaFirefox 78.1.0-78.87.1
SUSE LE 12: new MozillaFirefox packages.
New packages are available:
SUSE LE 12 SP2: MozillaFirefox 78.1.0-112.8.1
SUSE LE 12 SP3: MozillaFirefox 78.1.0-112.8.1
SUSE LE 12 SP4: MozillaFirefox 78.1.0-112.8.1
SUSE LE 12 SP5: MozillaFirefox 78.1.0-112.8.1
SUSE LE 15 SP1-2: new MozillaThunderbird packages.
New packages are available:
SUSE LE 15 SP1: MozillaThunderbird 68.11.0-3.91.1
SUSE LE 15 SP2: MozillaThunderbird 68.11.0-3.91.1
SUSE LE 15 SP1: new chromium packages.
New packages are available:
SUSE LE 15 SP1: chromium 81.0.4044.129-bp151.3.79.1
SUSE LE 15 SP1: new MozillaFirefox packages.
New packages are available:
SUSE LE 15 SP1: MozillaFirefox 78.1.0-3.100.2
SUSE LE 15 SP2: new MozillaFirefox packages.
New packages are available:
SUSE LE 15 SP2: MozillaFirefox 78.1.0-8.3.1
Ubuntu: new firefox packages.
New packages are available:
Ubuntu 20.04 LTS: firefox 79.0+build1-0ubuntu0.20.04.1
Ubuntu 18.04 LTS: firefox 79.0+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS: firefox 79.0+build1-0ubuntu0.16.04.2
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
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