CVE-2012-4182 is a critical use-after-free vulnerability in the nsTextEditRules::WillInsert function affecting Mozilla Firefox, Firefox ESR, Thunderbird, Thunderbird ESR, and SeaMonkey. With a CVSS score of 9.3, it allows remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption via unspecified vectors, requiring medium attack complexity. Despite its high 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 |
|---|---|---|---|
< 10.0.8CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 10.0.8CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* | ||
< 16.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 16.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
< 2.13CPE matchmatch criteria | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.