vulnerability
MFSA2017-18 Firefox: Security vulnerabilities fixed in Firefox 55 (CVE-2017-7784)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Aug 8, 2017 | Aug 9, 2017 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 8, 2017
Added
Aug 9, 2017
Modified
Aug 11, 2025
Description
A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Solution
mozilla-firefox-upgrade-55_0
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.