CVE-2016-9954 Denial of service in n/a
Remote attackers can cause denial of service via memory consumption by submitting crafted regular expressions to the Irregex library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9954?
CVE-2016-9954 is a high-severity denial of service vulnerability in n/a, published on 21 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.
Weakness: CWE-399
Which versions are affected by CVE-2016-9954?
It affects 1 product.
Products include Irregex Project Irregex.
How do I fix CVE-2016-9954?
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-2016-9954 being exploited?
There is no known exploitation of CVE-2016-9954 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2016-9954, GHSA-3p97-hgvq-jvxr, UBUNTU-CVE-2016-9954.