CVE-2010-1166
First published: Thu Apr 15 2010(Updated: )
A memory corruption flaw was discovered in Xorg X server's Render extension. Problem originally reported as Firefox crashing X server issue was tracked down to an incorrect calculation issue in mod() macro by Olivier Fourdan: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - Xorg crashes with latest firefox" href="show_bug.cgi?id=495733#c15">https://bugzilla.redhat.com/show_bug.cgi?id=495733#c15</a> This issue could cause mod() to return value greater than its second argument (the divisor), resulting in excessive read and write in Render composite operation, causing heap or video memory corruption.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| X X.org | =7.1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=495733
- http://securitytracker.com/id?1023929
- http://secunia.com/advisories/39650
- http://cgit.freedesktop.org/xorg/xserver/commit/?id=d2f813f7db
- https://bugzilla.redhat.com/show_bug.cgi?id=582601
- https://rhn.redhat.com/errata/RHSA-2010-0382.html
- http://www.vupen.com/english/advisories/2010/1185
- http://secunia.com/advisories/39834
- http://www.ubuntu.com/usn/USN-939-1
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10112
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=495733#c15
- http://cgit.freedesktop.org/xorg/xserver/commit/?id=7c84189ea1
- https://bugs.freedesktop.org/show_bug.cgi?id=3566
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