CVE-2017-5426
Medium
Description
On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox are run protected only by the running filter which is typically weak compared to the sandbox. Note: this issue only affects Linux. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox52.0 or later
- mozilla thunderbird52.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 52.0 | 52.0 |
| mozilla thunderbird | v < 52.0 | 52.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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