What’s Vulnerable › Vulnerabilities

CVE-2009-0071

• Severity: low (CVSS 2.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-01-08 · updated 2026-06-16
• Weakness: CWE-399

Description

Mozilla Firefox 3.0.5 and earlier 3.0.x versions, when designMode is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a certain (a) replaceChild or (b) removeChild call, followed by a (1) queryCommandValue, (2) queryCommandState, or (3) queryCommandIndeterm call. NOTE: it was later reported that 3.0.6 and 3.0.7 are also affected.

Affected products

• Mozilla Firefox: 3.0, 3.0-alpha, 3.0-beta2, 3.0-beta5, 3.0.1, 3.0.2 (+3)

References

• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0220.html
• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0223.html
• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0224.html
• http://www.securityfocus.com/bid/33154
• https://bugzilla.mozilla.org/show_bug.cgi?id=448329
• https://bugzilla.mozilla.org/show_bug.cgi?id=456727
• https://bugzilla.mozilla.org/show_bug.cgi?id=472507
• https://www.exploit-db.com/exploits/8091
• https://www.exploit-db.com/exploits/8219
• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0220.html
• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0223.html
• http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0224.html

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