RHSA-2009:1062: Important: freetype security update

First published: Fri May 22 2009(Updated: )

FreeType is a free, high-quality, portable font engine that can open and<br>manage font files. It also loads, hints, and renders individual glyphs<br>efficiently. These packages provide both the FreeType 1 and FreeType 2<br>font engines.<br>Tavis Ormandy of the Google Security Team discovered several integer<br>overflow flaws in the FreeType 2 font engine. If a user loaded a<br>carefully-crafted font file with an application linked against FreeType 2,<br>it could cause the application to crash or, possibly, execute arbitrary<br>code with the privileges of the user running the application.<br>(CVE-2009-0946)<br>Chris Evans discovered multiple integer overflow flaws in the FreeType font<br>engine. If a user loaded a carefully-crafted font file with an application<br>linked against FreeType, it could cause the application to crash or,<br>possibly, execute arbitrary code with the privileges of the user running<br>the application. (CVE-2006-1861)<br>An integer overflow flaw was found in the way the FreeType font engine<br>processed TrueType® Font (TTF) files. If a user loaded a carefully-crafted<br>font file with an application linked against FreeType, it could cause the<br>application to crash or, possibly, execute arbitrary code with the<br>privileges of the user running the application. (CVE-2007-2754)<br>Note: For the FreeType 2 font engine, the CVE-2006-1861 and CVE-2007-2754<br>flaws were addressed via RHSA-2006:0500 and RHSA-2007:0403 respectively.<br>This update provides corresponding updates for the FreeType 1 font engine,<br>included in the freetype packages distributed in Red Hat Enterprise Linux<br>2.1.<br>Users are advised to upgrade to these updated packages, which contain<br>backported patches to correct these issues. The X server must be restarted<br>(log out, then log back in) for this update to take effect.

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