Improper input validation in Mozilla Firefox and Firefox ESR - CVE-2017-5449

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Main Vulnerability Database Vulnerabilities #VU6337

Improper input validation in Mozilla Firefox and Firefox ESR - CVE-2017-5449

Published: April 19, 2017


Vulnerability identifier: #VU6337
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2017-5449
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Mozilla Firefox
Firefox ESR
Arch Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Mozilla Thunderbird

How to mitigate CVE-2017-5449

Update to Firefox 53 or Firefox ESR 52.1.


External References

Related Security Bulletins