CVE-2009-1044

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-03-23 · updated 2026-06-16
Weakness: CWE-399

Description

Mozilla Firefox 3.0.7 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors related to the _moveToEdgeShift XUL tree method, which triggers garbage collection on objects that are still in use, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009.

Affected products

Mozilla Firefox: 3.0.7

References

http://blogs.zdnet.com/security/?p=2934
http://blogs.zdnet.com/security/?p=2941
http://cansecwest.com/index.html
http://dvlabs.tippingpoint.com/blog/2009/02/25/pwn2own-2009
http://dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-four-zero-day-exploits
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00008.html
http://news.cnet.com/8301-1009_3-10199652-83.html
http://osvdb.org/52896
http://secunia.com/advisories/34471
http://secunia.com/advisories/34505
http://secunia.com/advisories/34510
http://secunia.com/advisories/34511

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