CVE-2016-7416 Denial of service in n/a
Remote attackers can cause a denial of service via a long locale argument in PHP's MessageFormatter, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7416?
CVE-2016-7416 is a high-severity denial of service vulnerability in Php Php, published on 17 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ext/intl/msgformat/msgformat_format.c in PHP before 5.6.26 and 7.x before 7.0.11 does not properly restrict the locale length provided to the Locale class in the ICU library, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a MessageFormatter::formatMessage call with a long first argument.
Weakness: CWE-119
Which versions are affected by CVE-2016-7416?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-7416?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-7416 being exploited?
There is no known exploitation of CVE-2016-7416 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as ALPINE-CVE-2016-7416, GHSA-5w3h-rrw9-vh3p, UBUNTU-CVE-2016-7416.