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7.5 High

CVE-2024-9393 An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the…

Description

An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This could allow them to access cross-origin PDF content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.

Affected products and versions

Product Affected versions Fixed in
Firefox 131 earliest → < 131 131
Firefox ESR 115.16 earliest → < 115.16 115.16
Thunderbird 131 earliest → < 131 131

References

Timeline

  1. Published
  2. Last modified

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