CVE-2011-3659 is a critical use-after-free vulnerability affecting Mozilla Firefox (versions before 3.6.26 and 4.x-9.0), Thunderbird (before 3.1.18 and 5.0-9.0), and SeaMonkey (before 2.7). This flaw, stemming from incorrect AttributeChildRemoved notifications, could allow remote attackers to execute arbitrary code. With a CVSS score of 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C), it represents a high-severity risk, indicating network-based attacks with medium complexity leading to complete compromise of confidentiality, integrity, and availability. Exploit code, including a Metasploit module, is publicly available, though there is no evidence of active exploitation in the wild, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.6.26CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
>= 4.0, < 10.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 2.7CPE matchmatch criteria | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | ||
< 3.1.18CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
>= 5.0, < 10.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
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, 0.1 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.