medium
4.3
CWE
119 476
Advisory Published
Updated

CVE-2012-5668: Buffer Overflow

First published: Thu Jan 24 2013(Updated: )

FreeType before 2.4.11 allows context-dependent attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to BDF fonts and the improper handling of an "allocation error" in the bdf_free_font function.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
FreeType<=2.4.10
FreeType=1.3.1
FreeType=2.0.0
FreeType=2.0.1
FreeType=2.0.2
FreeType=2.0.3
FreeType=2.0.4
FreeType=2.0.5
FreeType=2.0.6
FreeType=2.0.7
FreeType=2.0.8
FreeType=2.0.9
FreeType=2.1
FreeType=2.1.3
FreeType=2.1.4
FreeType=2.1.5
FreeType=2.1.6
FreeType=2.1.7
FreeType=2.1.8
FreeType=2.1.8-rc1
FreeType=2.1.9
FreeType=2.1.10
FreeType=2.2.0
FreeType=2.2.1
FreeType=2.3.0
FreeType=2.3.1
FreeType=2.3.2
FreeType=2.3.3
FreeType=2.3.4
FreeType=2.3.5
FreeType=2.3.6
FreeType=2.3.7
FreeType=2.3.8
FreeType=2.3.9
FreeType=2.3.10
FreeType=2.3.11
FreeType=2.3.12
FreeType=2.4.0
FreeType=2.4.1
FreeType=2.4.2
FreeType=2.4.3
FreeType=2.4.4
FreeType=2.4.5
FreeType=2.4.6
FreeType=2.4.7
FreeType=2.4.8
FreeType=2.4.9

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-5668?

    CVE-2012-5668 has a severity rating of medium due to its potential to cause a denial of service.

  • How does CVE-2012-5668 affect FreeType applications?

    CVE-2012-5668 can cause FreeType applications to crash due to a NULL pointer dereference when handling BDF fonts.

  • How do I fix CVE-2012-5668?

    To fix CVE-2012-5668, upgrade to FreeType version 2.4.11 or later.

  • What versions of FreeType are affected by CVE-2012-5668?

    CVE-2012-5668 affects all FreeType versions prior to 2.4.11.

  • Can CVE-2012-5668 be exploited remotely?

    Yes, CVE-2012-5668 can be exploited by an attacker who can send specifically crafted BDF font data to an application using FreeType.

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