CVE-2012-4212 is a critical use-after-free vulnerability in the XPCWrappedNative::Mark function affecting Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption via unspecified vectors. With a CVSS score of 10.0, it presents a severe risk, as it can be exploited remotely with low attack complexity and has high impacts on 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 |
|---|---|---|---|
< 17.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 2.14CPE matchmatch criteria | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | ||
< 17.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
10.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:* | ||
11.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* |
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.