CVE-2017-5434

A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Published: Jun 11, 2018
Updated: Apr 13, 2023
CVE: CVE-2017-5434
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
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
debian / debian_linux	8.0	8.0.x
mozilla / thunderbird	-	52.1.0
mozilla / firefox	-	53.0
mozilla / firefox_esr	-	45.9.0
mozilla / firefox	52.0	52.0.x

http://www.securityfocus.com/bid/97940
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1104
https://access.redhat.com/errata/RHSA-2017:1106
https://access.redhat.com/errata/RHSA-2017:1201
https://bugzilla.mozilla.org/show_bug.cgi?id=1349946
https://www.debian.org/security/2017/dsa-3831
https://www.mozilla.org/security/advisories/mfsa2017-10/
https://www.mozilla.org/security/advisories/mfsa2017-11/
https://www.mozilla.org/security/advisories/mfsa2017-12/
https://www.mozilla.org/security/advisories/mfsa2017-13/

Vulnerability Database

289,697

CVE-2017-5434