CVE-2017-7784 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
OSV9.1
EPSS
5.2%
top 10.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages7 packages
Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 5.0, 6.0, 7.0, 7.3, 7.4, 7.5
🔴Vulnerability Details
7GHSA▶
GHSA-mhrc-3vwx-42rv: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed↗2022-05-14
CVEList▶
CVE-2017-7784: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed↗2018-06-11
OSV▶
CVE-2017-7784: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed↗2018-06-11