Robert Swiecki reported an invalid free flaw, that could possibly corrupt the heap, in freetype. This could cause applications linked against freetype to crash (SIGABRT) or, possibly, lead to the execution of arbitrary code if an attacker were able to get a victim to load a malicious font file.
The affected code is not present in Red Hat Enterprise Linux 3 (freetype 2.1.4). In Red Hat Enterprise Linux 4 and 5 this code is present, but does not cause a crash.
This issue has been given the name CVE-2010-2498.
Upstream bug report:
Upstream commit that fixes the issue:
Red Hat would like to thank Robert Święcki of the Google Security Team for the discovery of this issue.
Created freetype tracking bugs for this issue
Affects: fedora-all [bug 613299]
Upstream has released 2.4.0 to correct this issue:
This issue has been addressed in following products:
Red Hat Enterprise Linux 4
Red Hat Enterprise Linux 5
Via RHSA-2010:0578 https://rhn.redhat.com/errata/RHSA-2010-0578.html