CVE-2009-3373 Memory corruption in n/a
Remote attackers can execute arbitrary code via a heap-based buffer overflow in the GIF parser, requiring user interaction to view a malicious image.
- 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-2009-3373?
CVE-2009-3373 is a critical memory corruption vulnerability in Mozilla Firefox, published on 29 Oct 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
Heap-based buffer overflow in the GIF image parser in Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via unspecified vectors.
Weakness: CWE-119
Which versions are affected by CVE-2009-3373?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Seamonkey.
How do I fix CVE-2009-3373?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-3373 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3373 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-429c-wjm9-c577.