vulnerability
MFSA2017-26 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.5 (CVE-2017-7830)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Nov 23, 2017 | Nov 27, 2017 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Nov 23, 2017
Added
Nov 27, 2017
Modified
Mar 27, 2026
Description
The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Solution
mozilla-thunderbird-upgrade-52_5
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.