CVE-2018-5099 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
3.0%
top 13.47%
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 the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when these references are used. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
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 Packages9 packages
Also affects: Debian Linux 7.0, 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 17.10, Enterprise Linux 7.4, 7.5
🔴Vulnerability Details
5GHSA▶
GHSA-cm43-q5g6-297m: A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, res↗2022-05-14
OSV▶
CVE-2018-5099: A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, res↗2018-06-11
CVEList▶
CVE-2018-5099: A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, res↗2018-06-11