CVE-2016-6294 Denial of service in n/a
Remote attackers can cause a denial of service via an out-of-bounds read in the PHP intl extension's locale handling function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6294?
CVE-2016-6294 is a critical denial of service vulnerability in Php Php, published on 25 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The locale_accept_from_http function in ext/intl/locale/locale_methods.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly restrict calls to the ICU uloc_acceptLanguageFromHTTP function, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long argument.
Weakness: CWE-125
Which versions are affected by CVE-2016-6294?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-6294?
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-2016-6294 being exploited?
There is no known exploitation of CVE-2016-6294 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-m629-55p3-x5vv, UBUNTU-CVE-2016-6294.