vulnerability
Ubuntu: USN-7663-1 (CVE-2025-1930): Thunderbird vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Mar 4, 2025 | Jun 26, 2025 | Apr 15, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Mar 4, 2025
Added
Jun 26, 2025
Modified
Apr 15, 2026
Description
On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Solution
ubuntu-upgrade-thunderbird
References
Rapid7 Labs
2026 Global Threat Landscape Report
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