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, resulting in a potentially exploitable crash when these references are used. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

Published: Jun 11, 2018
Updated: Apr 13, 2023
CVE: CVE-2018-5099
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: High
Score: 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

CWE-416

Affected Software
References

Software	From	Fixed in
debian / debian_linux	8.0	8.0.x
debian / debian_linux	7.0	7.0.x
debian / debian_linux	9.0	9.0.x
redhat / enterprise_linux_desktop	7.0	7.0.x
redhat / enterprise_linux_workstation	7.0	7.0.x
redhat / enterprise_linux_server	7.0	7.0.x
redhat / enterprise_linux_desktop	6.0	6.0.x
redhat / enterprise_linux_server	6.0	6.0.x
redhat / enterprise_linux_workstation	6.0	6.0.x
redhat / enterprise_linux_server_aus	7.4	7.4.x
redhat / enterprise_linux_server_eus	7.4	7.4.x
redhat / enterprise_linux_server_eus	7.5	7.5.x
mozilla / firefox	-	58.0
mozilla / firefox_esr	-	52.6.0
mozilla / thunderbird	-	52.6.0
canonical / ubuntu_linux	16.04	16.04.x
canonical / ubuntu_linux	14.04	14.04.x
canonical / ubuntu_linux	17.10	17.10.x

Vulnerability Database

290,020

CVE-2018-5099