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CVE-2026-2778 The advisory has been revoked - it doesn't affect any version of package firefox  (opens in a new tab)

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EPSS
0.7% (53rd percentile)

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  • Snyk IDSNYK-ALMALINUX10-FIREFOX-15361918
  • published27 Feb 2026
  • disclosed25 Feb 2026
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Introduced: 25 Feb 2026

CVE-2026-2778  (opens in a new tab)

Amendment

The AlmaLinux security team deemed this advisory irrelevant for AlmaLinux:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by AlmaLinux.

Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

References