Buffer overflow in Westes Flex
CVE-2006-0459
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.
Vulnerability class: Buffer Overflow
EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.
Affected products
- Westes Flex
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Product)
- secalert@redhat.com (x_refsource_OSVDB, Patch, vdb-entry, Broken Link)
- secalert@redhat.com (vendor-advisory, Patch, x_refsource_DEBIAN, Vendor Advisory)
- secalert@redhat.com (URL Repurposed, vdb-entry, Broken Link, x_refsource_VUPEN)
- secalert@redhat.com (Patch, x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (Patch, VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (VDB Entry, vdb-entry, x_refsource_XF)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (Patch, x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)