vulnerability
MFSA2017-26 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.5 (CVE-2017-7828)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Nov 23, 2017 | Nov 27, 2017 | Aug 12, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Nov 23, 2017
Added
Nov 27, 2017
Modified
Aug 12, 2025
Description
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Solution
mozilla-thunderbird-upgrade-52_5
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.