CVE-2017-7784
CRITICAL
9.8
CVSS Severity Score
Vulnerability 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.
Affected Platforms (CPE)
💻
Debian
Debian Linux
= 8.0💻
Debian
Debian Linux
= 9.0💻
Redhat
Enterprise Linux
= 5.0💻
Redhat
Enterprise Linux
= 6.0💻
Redhat
Enterprise Linux
= 7.0💻
Redhat
Enterprise Linux Desktop
= 5.0💻
Redhat
Enterprise Linux Desktop
= 6.0💻
Redhat
Enterprise Linux Desktop
= 7.0💻
Redhat
Enterprise Linux Server
= 5.0💻
Redhat
Enterprise Linux Server
= 6.0💻
Redhat
Enterprise Linux Server
= 7.0💻
Redhat
Enterprise Linux Server Aus
= 7.3💻
Redhat
Enterprise Linux Server Aus
= 7.4💻
Redhat
Enterprise Linux Server Eus
= 7.3💻
Redhat
Enterprise Linux Server Eus
= 7.4💻
Redhat
Enterprise Linux Server Eus
= 7.5💻
Redhat
Enterprise Linux Workstation
= 5.0💻
Redhat
Enterprise Linux Workstation
= 6.0💻
Redhat
Enterprise Linux Workstation
= 7.0📦
Mozilla
Thunderbird
< 52.3.0📦
Mozilla
Firefox
< 55.0📦
Mozilla