Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx X11 | — | Apply OS X security update 2009-002 | Dec 16, 2011 | May 23, 2006 |
| Debian | — | Upgrade freetype | Jul 30, 2024 | May 23, 2006 |
| Freebsd | — | Upgrade freetype2 | Dec 10, 2025 | Oct 2, 2006 |
| Suse | — | Upgrade freetype2-x86Upgrade freetype2Upgrade freetype2-32bitUpgrade freetype2-develUpgrade freetype2-devel-64bitUpgrade freetype2-64bitUpgrade freetype2-devel-32bit | Feb 17, 2015 | May 23, 2006 |
| Ubuntu | — | Upgrade libfreetype6 | Nov 8, 2024 | May 23, 2006 |
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