CVE-2019-11738
Medium
Description
If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Mozilla Firefox
PublishedSep 27, 2019
First seenSep 27, 2019
How to fix
Update
- mozilla firefox69.0 or later
- mozilla firefox_esr68.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 69.0 | 69.0 |
| mozilla firefox_esr | v < 68.1.0 | 68.1.0 |
| opensuse leap | 15.0, 15.1 | — |
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