CVE-2009-1305

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-04-22 · updated 2026-06-16
Weakness: CWE-399

Description

The JavaScript engine in Mozilla Firefox before 3.0.9, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.16 allows remote attackers to cause a denial of service (application crash) and possibly trigger memory corruption via vectors involving JSOP_DEFVAR and properties that lack the JSPROP_PERMANENT attribute.

Affected products

Mozilla Firefox: 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5 (+3)
Mozilla Seamonkey: through 1.1.13; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.5, 1.0.6 (+20)
Mozilla Thunderbird: through 2.0.0.19; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+34)

References

http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
http://rhn.redhat.com/errata/RHSA-2009-0437.html
http://secunia.com/advisories/34758
http://secunia.com/advisories/34780
http://secunia.com/advisories/34843
http://secunia.com/advisories/34844
http://secunia.com/advisories/34894
http://secunia.com/advisories/35042
http://secunia.com/advisories/35065
http://secunia.com/advisories/35536
http://secunia.com/advisories/35602
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1

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