Improper input validation in Mozilla Firefox and Firefox ESR - CVE-2017-5449
Published: April 19, 2017
Vulnerability identifier: #VU6337
CSH Severity: Low
CVSS v4.0: 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
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Detailed vulnerability 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.
How to mitigate CVE-2017-5449
Update to Firefox 53 or Firefox ESR 52.1.