CVE-2009-2044 Denial of service in n/a
Remote attackers can crash Firefox on Linux by sending a crafted HTML page with a large GIF background, requiring user interaction to view the 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-2009-2044?
CVE-2009-2044 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 12 Jun 2009. 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
Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.
Weakness: CWE-20
Which versions are affected by CVE-2009-2044?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2009-2044?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2009-2044 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2044 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2009-2044, GHSA-64cp-h6cw-59mg.