CVE-2018-12386
High
Description
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Mozilla Firefox
PublishedOct 18, 2018
First seenOct 18, 2018
How to fix
Update
- mozilla firefox60.2.2, 62.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 60.2.2, v < 62.0.3 | 60.2.2, 62.0.3 |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
| debian debian_linux | 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04 | — |
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