CVE-2014-9747 Denial of service in n/a

What is CVE-2014-9747?

CVE-2014-9747 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 7 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The t42_parse_encoding function in type42/t42parse.c in FreeType before 2.5.4 does not properly update the current position for immediates-only mode, which allows remote attackers to cause a denial of service (infinite loop) via a Type42 font.

Weakness: CWE-399

Which versions are affected by CVE-2014-9747?

It affects 2 products.

Products include Debian Debian Linux, Freetype Freetype.

How do I fix CVE-2014-9747?

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-2014-9747 being exploited?

There is no known exploitation of CVE-2014-9747 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-9747, GHSA-qpg5-phcf-38w9, UBUNTU-CVE-2014-9747.