CVE-2009-0071
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.
Key facts
- CVSS score
- 2.6 (v2.0)
- Severity
- LOW
- CVSS vector
AV:N/AC:H/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 6.6% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0080)
- Published
- January 8, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0080 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
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(Exploit)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain