CVE-2012-0463 describes a memory corruption vulnerability in the nsWindow implementation of Mozilla Firefox, Thunderbird, and SeaMonkey. This flaw, present in various versions up to 10.0.3, allows remote attackers to trigger a denial of service (application crash) and potentially execute arbitrary code due to a lack of instance validity checks after event dispatching. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication or complex attack vectors, and can lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.6.27CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
> 4.0, <= 10.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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.