vulnerability
MFSA2017-21 Firefox: Security vulnerabilities fixed in Firefox 56 (CVE-2017-7819)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Jun 11, 2018 | Jul 12, 2018 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jun 11, 2018
Added
Jul 12, 2018
Modified
Aug 11, 2025
Description
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Solution
mozilla-firefox-upgrade-56_0
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