#VU6337 Improper input validation in Mozilla Firefox and Firefox ESR - CVE-2017-5449
Published: April 19, 2017
Vulnerability identifier: #VU6337
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5449
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to trigger browser crash.
The vulnerability exists due to improper input validation during layout and manipulation of bidirectional unicode text in concert with CSS animations.. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Update to Firefox 53 or Firefox ESR 52.1.