Mozilla developers and community members reported memory safety bugs present in Firefox 63 and Firefox ESR 60.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-12405
Acknowledgments: Name: the Mozilla project Upstream: Christian Holler, Diego Calleja, Andrew McCreight, Jon Coppeard, Natalia Csoregi, Nicolas B. Pierron, Tyson Smith
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2018:3831 https://access.redhat.com/errata/RHSA-2018:3831
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2018:3833 https://access.redhat.com/errata/RHSA-2018:3833
Statement: In general, this flaw be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2019:0159 https://access.redhat.com/errata/RHSA-2019:0159
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2019:0160 https://access.redhat.com/errata/RHSA-2019:0160