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CVE-2003-0209

CRITICAL
10.0
CVSS Severity Score
EPSS Score0.1920%
EPSS Percentile16.54th
PublishedMay 5, 2003
Last ModifiedApr 16, 2026

Vulnerability Description

Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.

Affected Platforms (CPE)

📦
Smoothwall

Smoothwall

= 2.0_beta_4
📦
Sourcefire

Snort

= 1.8
📦
Sourcefire

Snort

= 1.8.1
📦
Sourcefire

Snort

= 1.8.2
📦
Sourcefire

Snort

= 1.8.3
📦
Sourcefire

Snort

= 1.8.4
📦
Sourcefire

Snort

= 1.8.5
📦
Sourcefire

Snort

= 1.8.6
📦
Sourcefire

Snort

= 1.8.7
📦
Sourcefire

Snort

= 1.9
📦
Sourcefire

Snort

= 1.9.1

References & Advisories

🔗 http://marc.info/?l=bugtraq&m=105043563016235&w=2
🔗 http://marc.info/?l=bugtraq&m=105103586927007&w=2
🔗 http://marc.info/?l=bugtraq&m=105111217731583&w=2
🔗 http://marc.info/?l=bugtraq&m=105154530427824&w=2
🔗 http://marc.info/?l=bugtraq&m=105172790914107&w=2
🔗 http://www.cert.org/advisories/CA-2003-13.html
🔗 http://www.coresecurity.com/common/showdoc.php?idx=313&idxseccion=10
🔗 http://www.debian.org/security/2003/dsa-297

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