Mozilla · Thunderbird · CVE-2025-0238
Name of the Vulnerable Software and Affected Versions:
Firefox versions prior to 134
Firefox ESR versions prior to 128.6
Firefox ESR versions prior to 115.19
Thunderbird versions prior to 134
Thunderbird versions prior to 128.6
Description:
The issue is related to the use of memory after it has been freed, which could lead to a potentially exploitable crash. An attacker could cause a use-after-free by assuming a controlled failed memory allocation. This could allow a remote attacker to cause a denial of service using a specially crafted web page.
Recommendations:
For Firefox versions prior to 134, update to version 134 or later.
For Firefox ESR versions prior to 128.6, update to version 128.6 or later.
For Firefox ESR versions prior to 115.19, update to version 115.19 or later.
For Thunderbird versions prior to 134, update to version 134 or later.
For Thunderbird versions prior to 128.6, update to version 128.6 or later.