CVE-2006-0459
flex - buffer overflow
EPSS 4.0%
Description
flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator (flex) before 2.5.33 does not allocate enough memory for grammars containing (1) REJECT statements or (2) trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependent attackers to execute arbitrary code.
How to fix CVE-2006-0459
To remediate CVE-2006-0459, upgrade the affected package to a fixed version below.
- Debian/flex—upgrade to 2.5.33-1 or later
- Debian/flex—upgrade to 2.5.31-31sarge1 or later
Is CVE-2006-0459 being exploited?
Low — EPSS is 4.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.5.33-1
- from 0, < 2.5.31-31sarge1