vulnerability
MFSA2017-19 Firefox: Security vulnerabilities fixed in Firefox ESR 52.3 (CVE-2017-7787)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Aug 8, 2017 | Aug 9, 2017 | Feb 10, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 8, 2017
Added
Aug 9, 2017
Modified
Feb 10, 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-firefox-esr-upgrade-52_3
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