CVE-2017-11626 Denial of service in n/a
Attackers can cause a denial of service in applications using the QPDF library by providing a crafted file that triggers an infinite loop.
- 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-2017-11626?
CVE-2017-11626 is a medium-severity denial of service vulnerability in n/a, published on 25 Jul 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
A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service via a crafted file, related to the QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc after four consecutive calls to QPDFObjectHandle::parseInternal, aka an "infinite loop."
Weakness: CWE-835
Which versions are affected by CVE-2017-11626?
It affects 1 product.
Products include Qpdf Project Qpdf.
How do I fix CVE-2017-11626?
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-2017-11626 being exploited?
There is no known exploitation of CVE-2017-11626 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-11626, DEBIAN-CVE-2017-11626, GHSA-3wr5-mp77-p74f, UBUNTU-CVE-2017-11626.