vulnerability

Ubuntu: USN-7663-1 (CVE-2025-5263): Thunderbird vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
May 27, 2025
Added
Jun 26, 2025
Modified
Aug 18, 2025

Description

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

Solution

ubuntu-upgrade-thunderbird

References

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