vulnerability
MFSA2017-20 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.3 (CVE-2017-7803)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | Aug 18, 2017 | Aug 21, 2017 | Aug 12, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Aug 18, 2017
Added
Aug 21, 2017
Modified
Aug 12, 2025
Description
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Solution
mozilla-thunderbird-upgrade-52_3
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.