CVE-2009-3382 Memory corruption in n/a

What is CVE-2009-3382?

CVE-2009-3382 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

layout/base/nsCSSFrameConstructor.cpp in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 does not properly handle first-letter frames, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

Which versions are affected by CVE-2009-3382?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2009-3382?

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-2009-3382 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3382 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xrcj-j2px-vg49.