CVE-2025-11709: Out of bounds read/write in a privileged process triggered by WebGL textures

Published Oct 14, 2025
·
Updated

A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures.

Affected Software

12 affected componentsFixes available
Mozilla Firefox<144
Mozilla Firefox ESR<115.29, <140.4
Mozilla Thunderbird<144, <140.4
Mozilla Firefox ESR<115.29
115.29
Mozilla Thunderbird<140.4
140.4
Mozilla Firefox ESR<140.4
140.4
Mozilla Firefox<144
144
Mozilla Thunderbird<144
144
Mozilla Firefox<115.29.0
Mozilla Firefox<144.0
Mozilla Firefox>=116.0<140.4.0
Mozilla Thunderbird<144.0

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 115.29
  2. Upgrade

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

    Fixed in 140.4
  3. Upgrade

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

    Fixed in 144
  4. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 144
  5. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.29
  6. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 140.4
  7. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 144
  8. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 140.4

Event History

Oct 14, 2025
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·12:27 PM
Data Sourced
via MITRE·12:27 PM
Description
Data Sourced
via Red Hat·01:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2025-11709?

CVE-2025-11709 is marked as a high severity vulnerability due to its ability to trigger out of bounds reads and writes.

2

How do I fix CVE-2025-11709?

To fix CVE-2025-11709, update Mozilla Firefox to version 144, Firefox ESR to version 115.29 or 140.4, and Thunderbird to version 144 or 140.4.

3

What types of software are affected by CVE-2025-11709?

CVE-2025-11709 affects Mozilla Firefox, Mozilla Firefox ESR, and Mozilla Thunderbird versions prior to the specified patched versions.

4

What causes the vulnerability CVE-2025-11709?

CVE-2025-11709 is caused by a compromised web process manipulating WebGL textures to trigger out of bounds memory access.

5

Can CVE-2025-11709 lead to further exploitation?

Yes, CVE-2025-11709 can potentially lead to privilege escalation if an attacker successfully exploits it.

Company

Resources

Contact

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