vulnerability
MFSA2025-32 Thunderbird: Security Vulnerabilities fixed in Thunderbird 128.10 (CVE-2025-4082)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Apr 29, 2025 | Apr 30, 2025 | Jun 21, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Apr 29, 2025
Added
Apr 30, 2025
Modified
Jun 21, 2026
Description
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges.
*This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
Solution
mozilla-thunderbird-upgrade-128_10
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