Arbitrary Code Injection Affecting Firefox package, versions [,131)
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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- published2 Oct 2024
- disclosed1 Oct 2024
- creditMasato Kinugawa
Introduced: 1 Oct 2024
CVE-2024-9393 (opens in a new tab)How to fix?
Upgrade Firefox to version 131 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Code Injection via a multipart response, under the resource://pdf.js origin, which allows an attacker to access cross-origin PDF content.
Note: The Site Isolation feature on desktop clients limits this access to "same site" documents. Full cross-origin access is possible on Android versions only.