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CVE-2006-0459

nvd nist
Published: Mar 29, 2006Modified: Apr 16, 2026

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7.5
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitability: 10.0 / Impact: 6.4
Source: NVD

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.

Affected (1)

Products: Westes: Flex
Westes
1 product
Flex
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Flex
Up to 2.5.32

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (28)

Source: secalert@redhat.com
Product
Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Release Notes
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Broken LinkPatch
Source: secalert@redhat.com
PatchThird Party AdvisoryVDB Entry
Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Broken LinkURL Repurposed
Source: secalert@redhat.com
VDB Entry
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Product
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkPatch
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkURL Repurposed
Source: af854a3a-2127-422b-91ae-364da2661108
VDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.