CVE-2016-9643 Denial of service in n/a
Remote attackers can cause a denial of service via memory consumption in WebKit's regex code using crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9643?
CVE-2016-9643 is a high-severity denial of service vulnerability in n/a, published on 7 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).
Weakness: CWE-400
Which versions are affected by CVE-2016-9643?
It affects 1 product.
Products include Webkit Webkit.
How do I fix CVE-2016-9643?
Apply the vendor's patch.
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-2016-9643 being exploited?
There is no known exploitation of CVE-2016-9643 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4mcp-j554-p27j, UBUNTU-CVE-2016-9643.