vulnerability
MFSA2017-25 Firefox: Security vulnerabilities fixed in Firefox ESR 52.5 (CVE-2017-7828)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Nov 14, 2017 | Nov 15, 2017 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Nov 14, 2017
Added
Nov 15, 2017
Modified
Aug 11, 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-firefox-esr-upgrade-52_5
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