CVE-2016-4493 Denial of service in n/a
Remote attackers can cause a denial of service via crafted binaries exploiting an out-of-bounds read in the libiberty C++ demangler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-4493?
CVE-2016-4493 is a medium-severity denial of service vulnerability in n/a, published on 24 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.
Weakness: CWE-125
Which versions are affected by CVE-2016-4493?
It affects 1 product.
Products include Gnu Libiberty.
How do I fix CVE-2016-4493?
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-2016-4493 being exploited?
There is no known exploitation of CVE-2016-4493 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-4493, GHSA-c3rq-h4g9-3568, UBUNTU-CVE-2016-4493.