vulnerability
MFSA2017-20 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.3 (CVE-2017-7787)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Aug 18, 2017 | Aug 21, 2017 | Mar 27, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 18, 2017
Added
Aug 21, 2017
Modified
Mar 27, 2026
Description
Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Solution
mozilla-thunderbird-upgrade-52_3
Rapid7 Labs
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