CVE-2025-11709
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Vulnerability report for CVE-2025-11709, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-10-14

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description

A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CVSS Scores

EPSS Scores

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Meta Information

Published
2025-10-14
Last Modified
2026-04-13
Generated
2026-07-06
AI Q&A
2025-10-14
EPSS Evaluated
2026-07-05
NVD

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
mozilla thunderbird to 140.0 (inc)
mozilla firefox From 60.9.0 (exc)
mozilla firefox From 60.9.0 (exc)
mozilla firefox From 60.9.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This vulnerability allows a compromised web process to cause out of bounds reads and writes in a more privileged process by using manipulated WebGL textures. Essentially, an attacker can exploit WebGL texture handling to access or modify memory outside the intended boundaries in Firefox and Thunderbird versions before the specified fixed versions.

Impact Analysis

The vulnerability can lead to unauthorized access or modification of memory in more privileged processes, potentially allowing attackers to execute arbitrary code, cause crashes, or leak sensitive information, thereby compromising the security and stability of affected Firefox and Thunderbird applications.

Mitigation Strategies

To mitigate this vulnerability, update Firefox to version 144 or later, Firefox ESR to version 115.29 or later, or 140.4 or later, and Thunderbird to version 144 or later or 140.4 or later. Avoid using vulnerable versions to prevent exploitation via manipulated WebGL textures.

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