Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.046
EPSS Ranking 88.6%
CVSS Severity
CVSS v2 Score 7.5
References
- http://prdownloads.sourceforge.net/flex/flex-2.5.33.tar.bz2?download
- http://secunia.com/advisories/19071
- http://secunia.com/advisories/19126
- http://secunia.com/advisories/19228
- http://secunia.com/advisories/19424
- http://securityreason.com/securityalert/570
- http://sourceforge.net/mailarchive/forum.php?thread_name=20060223020346.GA11231%40tabitha.home.tldz.org&forum_name=flex-announce
- http://www.gentoo.org/security/en/glsa/glsa-200603-07.xml
- http://www.osvdb.org/23440
- http://www.securityfocus.com/bid/16896
- http://www.us.debian.org/security/2006/dsa-1020
- http://www.vupen.com/english/advisories/2006/0770
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24995
- https://usn.ubuntu.com/260-1/
- http://prdownloads.sourceforge.net/flex/flex-2.5.33.tar.bz2?download
- http://secunia.com/advisories/19071
- http://secunia.com/advisories/19126
- http://secunia.com/advisories/19228
- http://secunia.com/advisories/19424
- http://securityreason.com/securityalert/570
- http://sourceforge.net/mailarchive/forum.php?thread_name=20060223020346.GA11231%40tabitha.home.tldz.org&forum_name=flex-announce
- http://www.gentoo.org/security/en/glsa/glsa-200603-07.xml
- http://www.osvdb.org/23440
- http://www.securityfocus.com/bid/16896
- http://www.us.debian.org/security/2006/dsa-1020
- http://www.vupen.com/english/advisories/2006/0770
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24995
- https://usn.ubuntu.com/260-1/
Products affected by CVE-2006-0459
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cpe:2.3:a:westes:flex:2.5.10
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cpe:2.3:a:westes:flex:2.5.11
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cpe:2.3:a:westes:flex:2.5.12
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cpe:2.3:a:westes:flex:2.5.13
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cpe:2.3:a:westes:flex:2.5.14
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cpe:2.3:a:westes:flex:2.5.15
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cpe:2.3:a:westes:flex:2.5.16
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cpe:2.3:a:westes:flex:2.5.17
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cpe:2.3:a:westes:flex:2.5.18
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cpe:2.3:a:westes:flex:2.5.19
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cpe:2.3:a:westes:flex:2.5.20
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cpe:2.3:a:westes:flex:2.5.21
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cpe:2.3:a:westes:flex:2.5.23
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cpe:2.3:a:westes:flex:2.5.24
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cpe:2.3:a:westes:flex:2.5.25
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cpe:2.3:a:westes:flex:2.5.26
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cpe:2.3:a:westes:flex:2.5.27
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cpe:2.3:a:westes:flex:2.5.28
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cpe:2.3:a:westes:flex:2.5.29
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cpe:2.3:a:westes:flex:2.5.30
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cpe:2.3:a:westes:flex:2.5.31
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cpe:2.3:a:westes:flex:2.5.32
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cpe:2.3:a:westes:flex:2.5.5b
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cpe:2.3:a:westes:flex:2.5.5c