CVE-2017-5419

Published: 07 March 2017

If a malicious site repeatedly triggers a modal authentication prompt, eventually the browser UI will become non-responsive, requiring shutdown through the operating system. This is a denial of service (DOS) attack. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Priority

CVSS 3 base score: 7.5

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	Upstream	Released (52.0)





	Ubuntu 16.04 ESM (Xenial Xerus)	Released (52.0+build2-0ubuntu0.16.04.1)
	Ubuntu 14.04 ESM (Trusty Tahr)	Does not exist (trusty was released [52.0+build2-0ubuntu0.14.04.1])

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5419
https://www.mozilla.org/en-US/security/advisories/mfsa2017-05/#CVE-2017-5419
https://ubuntu.com/security/notices/USN-3216-1
NVD
Launchpad
Debian

Join the discussion

Ubuntu security updates mailing list
Security announcements mailing list

Canonical is offering Extended Security Maintenance

Canonical is offering Ubuntu Extended Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›

CVE-2017-5419

Low

Status

References

Join the discussion

Canonical is offering Extended Security Maintenance

Further reading