CVE-2006-5633 Null dereference in n/a
Remote attackers can crash Firefox or Seamonkey by triggering a null dereference via specific DOM range operations, requiring user interaction to visit a malicious page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2006-5633?
CVE-2006-5633 is a medium-severity vulnerability in Mozilla Firefox, published on 31 Oct 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Firefox 1.5.0.7 and 2.0, and Seamonkey 1.1b, allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMENT_TYPE_NODE), then calling createContextualFragment on the range, which triggers a null dereference. NOTE: the original Bugtraq post mentioned that code execution was possible, but followup analysis has shown that it is only a null dereference.
Which versions are affected by CVE-2006-5633?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Seamonkey.
How do I fix CVE-2006-5633?
Upgrade to a fixed version.
Is CVE-2006-5633 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-5633 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2006-5633, GHSA-vwr8-5r39-5qmj.