CVE-2012-1136

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (invalid heap…

published April 25, 2012

CVSS
—
EPSS
4%
Percentile
89.8
In the wild
Unconfirmed
What it is

⚠️ An invalid glyph could bring everything crashing down! FreeType before 2.4.9 lets remote attackers corrupt memory with a simple crafted BDF font, causing a denial of service. 🔥 Think of it as a hotel that allows guests to check in with a fake reservation. One unauthorized entry can disrupt the entire system, leaving others locked out and frustrated. An attacker could exploit this vulnerability to cause your application to crash, denying users access. In the worst case, it may even lead to arbitrary code execution, giving the attacker a foothold to wreak havoc on the system!

Put simply

Think of it as a hotel that allows guests to check in with a fake reservation. One unauthorized entry can disrupt the entire system, leaving others locked out and frustrated. This vulnerability in FreeType results from an invalid heap write operation when processing BDF fonts that lack an ENCODING field. This memory corruption can lead to crashes or potentially allow remote code execution.

What to do

An attacker could exploit this vulnerability to cause your application to crash, denying users access. In the worst case, it may even lead to arbitrary code execution, giving the attacker a foothold to wreak havoc on the system! Upgrade FreeType to version 2.4.9 or later to patch this vulnerability. Regularly audit your software for outdated libraries and ensure all components are up-to-date. Don't forget to test your applications after updates! You've got this! Stay vigilant and keep your software updated to protect against vulnerabilities like this one. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03770 · 89.8th percentile
Published
2012-04-25T10:00Z
EPSS history
Timeline
  • 25 APR 10:00Z
    FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (invalid heap…
    cvelistv5