CVE-2009-3987 Information disclosure in n/a

What is CVE-2009-3987?

CVE-2009-3987 is a high-severity vulnerability in Mozilla Firefox, published on 17 Dec 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

The GeckoActiveXObject function in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, generates different exception messages depending on whether the referenced COM object is listed in the registry, which allows remote attackers to obtain potentially sensitive information about installed software by making multiple calls that specify the ProgID values of different COM objects.

Weakness: CWE-200

Which versions are affected by CVE-2009-3987?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Seamonkey.

How do I fix CVE-2009-3987?

No fix has been published for CVE-2009-3987 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-3987 being exploited?

There is no known exploitation of CVE-2009-3987 in the wild and no public exploit code.

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-vwqf-r5hr-488h.