CVE-2012-1939 describes a critical vulnerability in Mozilla Firefox ESR 10.x and Thunderbird ESR 10.x, specifically within the jsinfer.cpp component, where improper data type determination can be exploited. This flaw allows remote attackers to trigger a denial of service through memory corruption and application crashes, or potentially execute arbitrary code via specially crafted JavaScript. With a CVSS score of 9.3, this vulnerability is highly severe, requiring no authentication and moderate attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been identified, the high FAUCET Risk Score of 80/100 indicates its potential danger.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
10.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:* | ||
10.0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:* | ||
10.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:* | ||
10.0.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:* | ||
10.0.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.