CVE-2017-5386
High
Description
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox51.0, 45.7.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 51.0, v < 45.7.0 | 51.0, 45.7.0 |
| debian debian_linux | 8.0 | — |
| redhat enterprise_linux | 5.0, 6.0, 7.0 | — |
| redhat enterprise_linux_desktop | 5.0, 6.0, 7.0 | — |
| redhat enterprise_linux_server | 5.0, 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.3, 7.4 | — |
| redhat enterprise_linux_server_eus | 7.3, 7.4, 7.5 | — |
| redhat enterprise_linux_workstation | 5.0, 6.0, 7.0 | — |
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