CVE-2003-0209 in the critical feed json
Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code…
published 2003-04-16 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0204
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 38.6%
- EPSS 38.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- securityfocus.com/bid/7178 advisory
Timeline
- Published
- First public exploit (EDB-18)
Exploit prediction
38.63% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-18 Snort 1.9.1 - 'p7snort191.sh' Remote Command Execution remote, 2003-04-23
- securityfocus.com http://www.securityfocus.com/bid/7178 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
securityfocus.com
/bid/7178
vdb-entry, exploit, patch, vendor-advisory
-
marc.info
/?l=bugtraq&m=105172790914107&w=2
vendor-advisory
-
debian.org
/security/2003/dsa-297
vendor-advisory
-
mandriva.com
/security/advisories?name=MDKSA-2003:052
vendor-advisory
-
marc.info
/?l=bugtraq&m=105103586927007&w=2
mailing-list
-
cert.org
/advisories/CA-2003-13.html
third-party-advisory, us-government-resource
-
marc.info
/?l=bugtraq&m=105043563016235&w=2
mailing-list
-
kb.cert.org
/vuls/id/139129
third-party-advisory, us-government-resource
-
marc.info
/?l=bugtraq&m=105111217731583&w=2
mailing-list
- coresecurity.com /common/showdoc.php?idx=313&idxseccion=10
-
marc.info
/?l=bugtraq&m=105154530427824&w=2
mailing-list
Sources
- CVE List CVE-2003-0209
- NVD CVE-2003-0209
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.