What is the CVSS score of CVE-2012-3989?

CVE-2012-3989 has a CVSS 2.0 base score of 9.3 (Critical). CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 0.9%.

Firefox CVE-2012-3989

CRITICAL

Buffer Overflow (CWE-119)

2012-10-10 cve@mitre.org

Buffer Overflow Denial Of Service Mozilla RCE Firefox Seamonkey Thunderbird Ubuntu Linux Linux Enterprise Desktop Linux Enterprise Server

9.3

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

9.3 CRITICAL

AV:N/AC:M/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector

Network

Attack Complexity

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Oct 10, 2012 - 17:55 cve.org

CRITICAL 9.3

DescriptionCVE.org

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.

AnalysisAI

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object,. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site. Affected products include: Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Canonical Ubuntu Linux, Suse Linux Enterprise Desktop. Version information: before 16.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.