CVE-2014-9663 Memory corruption in n/a
Remote attackers can cause denial of service or other impacts via a crafted SFNT table in FreeType due to improper validation of a length field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2014-9663?
CVE-2014-9663 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 8 Feb 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The tt_cmap4_validate function in sfnt/ttcmap.c in FreeType before 2.5.4 validates a certain length field before that field's value is completely calculated, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted cmap SFNT table.
Weakness: CWE-119
Which versions are affected by CVE-2014-9663?
It affects 12 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Freetype Freetype, Opensuse Opensuse, Oracle Solaris and 6 more.
How do I fix CVE-2014-9663?
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-2014-9663 being exploited?
There is no known exploitation of CVE-2014-9663 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-9663, GHSA-r37h-q72r-cxgq, UBUNTU-CVE-2014-9663.