CVE-2018-5103
Critical
Description
A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox58.0, 52.6.0 or later
- mozilla thunderbird52.6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 58.0, v < 52.6.0 | 58.0, 52.6.0 |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.4 | — |
| redhat enterprise_linux_server_eus | 7.4, 7.5 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
| mozilla thunderbird | v < 52.6.0 | 52.6.0 |
| canonical ubuntu_linux | 14.04, 16.04, 17.10 | — |
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