CVE-2012-3966 is a critical memory corruption vulnerability affecting Mozilla Firefox, Thunderbird, and SeaMonkey versions prior to their respective updates. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by exploiting improper handling of negative height values in BMP images embedded within .ICO files. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
10.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:* | ||
10.0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:* | ||
10.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:* | ||
10.0.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:* | ||
10.0.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.