What is the CVSS score of CVE-2012-3966?

CVE-2012-3966 has a CVSS 2.0 base score of 10.0 (Critical). CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 3.7%.

Firefox CVE-2012-3966

CRITICAL

Buffer Overflow (CWE-119)

2012-08-29 cve@mitre.org

Buffer Overflow Denial Of Service Mozilla RCE Firefox Thunderbird Seamonkey Thunderbird Esr

10.0

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

10.0 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Aug 29, 2012 - 10:56 cve.org

CRITICAL 10.0

DescriptionCVE.org

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a negative height value in a BMP image within a .ICO file, related to (1) improper handling of the transparency bitmask by the nsICODecoder component and (2) improper processing of the alpha channel by the nsBMPDecoder component.

AnalysisAI

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. 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 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a negative height value in a BMP image within a .ICO file, related to (1) improper handling of the transparency bitmask by the nsICODecoder component and (2) improper processing of the alpha channel by the nsBMPDecoder component. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Mozilla Seamonkey, Mozilla Thunderbird Esr. Version information: before 15.0.

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.