CVE-2024-9394 Affecting firefox package, versions <131.0+build1.1-0ubuntu0.20.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-UBUNTU2004-FIREFOX-8161611
  • published4 Oct 2024
  • disclosed1 Oct 2024

Introduced: 1 Oct 2024

CVE-2024-9394  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Ubuntu:20.04 firefox to version 131.0+build1.1-0ubuntu0.20.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the resource://devtools origin. This could allow them to access cross-origin JSON 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.

CVSS Scores

version 3.1