[ GLSA 200905-05 ] FreeType: Multiple vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: FreeType: Multiple vulnerabilities (GLSA 200905-05)
Severity: normal
Exploitable: remote
Date: May 24, 2009
Updated: May 25, 2009
Bug(s): #263032
ID: 200905-05

Synopsis

Multiple integer overflows in FreeType might allow for the remote execution of arbitrary code or a Denial of Service.

Background

FreeType is a high-quality and portable font engine.

Affected Packages

Package: media-libs/freetype
Vulnerable: < 2.3.9-r1
Unaffected: >= 2.3.9-r1
Unaffected: < 2.0
Architectures: All supported architectures


Description

Tavis Ormandy reported multiple integer overflows in the cff_charset_compute_cids() function in cff/cffload.c, sfnt/tccmap.c and the ft_smooth_render_generic() function in smooth/ftsmooth.c, possibly leading to heap or stack-based buffer overflows.

Impact

A remote attacker could entice a user or automated system to open a specially crafted font file, possibly resulting in the execution of arbitrary code with the privileges of the user running the application, or a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All FreeType users should upgrade to the latest version: