REDHAT-BUG-2533797: Use After Free

Published Sep 15, 2026
·
Updated

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.

Affected Software

4 affected components
Mozilla Firefox<156
Mozilla Firefox ESR 115<115.41
Mozilla Firefox ESR 140<140.16
Mozilla Firefox ESR 153<153.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 156
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.41
  3. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 140.16
  4. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 153.3

Event History

Sep 15, 2026
Data Sourced
via Red Hat·01:05 PM
DescriptionSeverityAffected Software

Company

Resources

Contact

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