CVE-2009-2477 describes a critical arbitrary code execution vulnerability in Mozilla Firefox 3.5 prior to version 3.5.1, specifically within the Just-in-time (JIT) JavaScript compiler (TraceMonkey). This flaw allows remote attackers to execute arbitrary code by manipulating the escape function, leading to access of uninitialized memory locations. With a CVSS score of 9.3, it represents a network-exploitable vulnerability with medium attack complexity, resulting in complete compromise of confidentiality, integrity, and availability. Exploit intelligence indicates the existence of Metasploit modules and several ExploitDB entries, including heap spray techniques, confirming the availability of exploit code. Despite the high EPSS score and FAUCET Risk Score of 99/100, there is no evidence of active exploitation in the KEV catalog, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.5CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:3.5:*:*:*:*:*:*:* |
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.