CVE-2009-1232

high

Description

Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.

References

https://www.exploit-db.com/exploits/8306

https://exchange.xforce.ibmcloud.com/vulnerabilities/49521

https://bugzilla.mozilla.org/show_bug.cgi?id=485941

http://websecurity.com.ua/3216/

Details

Source: Mitre, NVD

Published: 2009-04-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.05474