CVE-2026-74948: Information disclosure in the Graphics component

Published Aug 18, 2026
·
Updated

Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.

Affected Software

6 affected componentsFixes available
Mozilla Firefox<=154
Mozilla Firefox ESR<=115.39, <=140.14, <=153.1
Mozilla Firefox ESR<140.14
140.14
Mozilla Firefox<154
154
Mozilla Firefox ESR<115.39
115.39
Mozilla Firefox ESR<153.1
153.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 140.14
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 154
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 115.39
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 153.1
  5. Upgrade

    Upgrade Mozilla Firefox (Graphics component) to a version that resolves this vulnerability.

    Fixed in 154
  6. Upgrade

    Upgrade Mozilla Firefox ESR (Graphics component) to a version that resolves this vulnerability.

    Fixed in 115.39
  7. Upgrade

    Upgrade Mozilla Firefox ESR (Graphics component) to a version that resolves this vulnerability.

    Fixed in 140.14
  8. Upgrade

    Upgrade Mozilla Firefox ESR (Graphics component) to a version that resolves this vulnerability.

    Fixed in 153.1

Event History

Aug 18, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Updated
via Mozilla·12:00 AM
Affected Software
CVE Published
via MITRE·12:23 PM
Data Sourced
via MITRE·12:23 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

How can I verify that a Firefox installation includes the fix?

The fix is available in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1. Check the installed browser version and update to the applicable fixed release or a later release.

Contact

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