Improper Validation of Specified Type of Input Affecting webkitgtk package, versions [,2.50.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-WEBKITGTK-14101876
- published23 Nov 2025
- disclosed20 Nov 2025
- creditUnknown
Introduced: 20 Nov 2025
NewCVE-2025-43443 (opens in a new tab)How to fix?
Upgrade webkitgtk to version 2.50.2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the requestObject function in the HTMLPlugInElement class within the WebCore HTML plugin element. An attacker can cause an unexpected process crash by providing maliciously crafted web content that includes malformed plugin requests with empty URL and MIME type parameters, which bypasses Content Security Policy checks before plugin loading.