REDHAT-BUG-2517851: Low severity Mozilla Firefox vulnerability

Published Aug 18, 2026
·
Updated

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

Affected Software

3 affected components
Mozilla Firefox=154
Mozilla Firefox ESR 140.14=140.14
Mozilla Firefox ESR 153.1=153.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 154
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 140.14
  3. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 153.1

Event History

Aug 18, 2026
Data Sourced
via Red Hat·12:55 PM
DescriptionSeverityAffected Software

Company

Resources

Contact

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info@secalerts.co
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