CVE-2026-124885: Use-after-free in the Graphics: Text component

Published Nov 10, 2026
·
Updated

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.

Affected Software

6 affected componentsFixes available
Mozilla Firefox<160
Mozilla Firefox ESR 115<115.45
Mozilla Firefox ESR 153<153.7
Mozilla Firefox ESR<115.45
115.45
Mozilla Firefox ESR<153.7
153.7
Mozilla Firefox<160
160

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 115.45
  2. Upgrade

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

    Fixed in 153.7
  3. Upgrade

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

    Fixed in 160
  4. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 160
  5. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.45
  6. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 153.7

Event History

Nov 10, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·01:28 PM
Data Sourced
via MITRE·01:28 PM
Description
Data Sourced
via NVD·02:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Firefox releases need to be updated?

The issue is fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7. Install the applicable fixed release or a later version.

2

What does an attacker need to exploit this issue?

The CVSS vector indicates exploitation can be performed over the network with low attack complexity and no attacker privileges, but it requires user interaction.

3

What could a successful exploit allow?

The listed impact is high for confidentiality, integrity, and availability, meaning a successful exploit could affect data disclosure, modification, and service availability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203