CVE-2018-12377 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
OSV8.8
EPSS
3.1%
top 13.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 18
Latest updateMay 14
Description
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
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 Packages11 packages
Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, Enterprise Linux 7.6, 7.5
🔴Vulnerability Details
7GHSA▶
GHSA-q5f8-grf8-9ff4: A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted whil↗2022-05-14
OSV▶
CVE-2018-12377: A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted whil↗2018-10-18
CVEList▶
CVE-2018-12377: A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted whil↗2018-10-18