CVE-2025-4082

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 138 Firefox ESR versions prior to 128.10 Firefox ESR versions prior to 115.23 Thunderbird versions prior to 138 Thunderbird ESR versions prior to 128.10

Description Modification of specific WebGL shader attributes could trigger an out-of-bounds read. When chained with other vulnerabilities, this issue could be used to escalate privileges. This bug only affects Firefox for macOS, with other versions of Firefox being unaffected.

Recommendations For Firefox versions prior to 138, update to version 138 or later. For Firefox ESR versions prior to 128.10, update to version 128.10 or later. For Firefox ESR versions prior to 115.23, update to version 115.23 or later. For Thunderbird versions prior to 138, update to version 138 or later. For Thunderbird ESR versions prior to 128.10, update to version 128.10 or later.