CVE-2006-0459 describes a buffer overflow vulnerability in the flex lexical analyzer generator (versions prior to 2.5.33). This flaw occurs when flex generates code for grammars containing REJECT statements or trailing context rules, leading to insufficient memory allocation. With a CVSS score of 7.5, this vulnerability is highly severe, allowing unauthenticated attackers to potentially execute arbitrary code over a network. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.5.32CPE matchmatch criteria | cpe:2.3:a:westes:flex:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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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.