CVE-2024-8900 Affecting firefox-esr package, versions <129-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.43% (34th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-FIREFOXESR-17765073
  • published1 Jul 2026
  • disclosed17 Sept 2024

Introduced: 17 Sep 2024

CVE-2024-8900  (opens in a new tab)

How to fix?

Upgrade Chainguard firefox-esr to version 129-r0 or higher.

NVD Description

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

An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events. This vulnerability affects Firefox < 129, Firefox ESR < 128.3, and Thunderbird < 128.3.

CVSS Base Scores

version 3.1