vulnerability
MFSA2025-46 Thunderbird: Security Vulnerabilities fixed in Thunderbird 128.11 (CVE-2025-5269)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | May 27, 2025 | May 28, 2025 | Jun 13, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 27, 2025
Added
May 28, 2025
Modified
Jun 13, 2025
Description
Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR
Solution
mozilla-thunderbird-upgrade-128_11
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.