CVE-2017-14976 Memory corruption in n/a
An attacker can cause a denial of service via a heap-based buffer over-read in the Poppler PDF library when processing malformed font dictionaries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-14976?
CVE-2017-14976 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 1 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FoFiType1C::convertToType0 function in FoFiType1C.cc in Poppler 0.59.0 has a heap-based buffer over-read vulnerability if an out-of-bounds font dictionary index is encountered, which allows an attacker to launch a denial of service attack.
Weakness: CWE-125
Which versions are affected by CVE-2017-14976?
It affects 2 products.
Products include Debian Debian Linux, Freedesktop Poppler.
How do I fix CVE-2017-14976?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-14976 being exploited?
There is no known exploitation of CVE-2017-14976 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CVE-2017-1000440, DEBIAN-CVE-2017-14976, GHSA-jjjr-whrw-jx52, UBUNTU-CVE-2017-14976.