CVE-2011-2378 describes a critical vulnerability in the appendChild function of Mozilla Firefox (before 3.6.20), Thunderbird (3.x before 3.1.12), and SeaMonkey (2.x), allowing remote attackers to execute arbitrary code through unspecified vectors leading to a dangling pointer dereference. This vulnerability carries a maximum CVSS score of 10.0, indicating a severe risk with network-based attacks, low complexity, and complete compromise of confidentiality, integrity, and availability. 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 |
|---|---|---|---|
<= 3.6.19CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:1.0:preview_release:*:*:*:*:*:* | ||
1.0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:* | ||
1.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:* |
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.