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TI-2009-03477 Aliases CVE-2009-3641GHSA-56x5-r874-457f

Snort before 2.8.5.1, when the -v option is enabled, allows remote attackers to cause a…

Priority MEDIUM 47Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Snort before 2.8.5.1, when the -v option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted IPv6 packet that uses the (1) TCP or (2) ICMP protocol.

Why it matters now

EPSS 0.38779 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*up to 2.8.3.5VulnerableSnort
cpe:2.3:a:snort:snort:1.6:*:*:*:*:*:*:*1.6VulnerableSnort
cpe:2.3:a:snort:snort:1.8.0:*:*:*:*:*:*:*1.8.0VulnerableSnort
cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*1.8.1VulnerableSnort
cpe:2.3:a:snort:snort:1.8.2:*:*:*:*:*:*:*1.8.2VulnerableSnort
cpe:2.3:a:snort:snort:1.8.3:*:*:*:*:*:*:*1.8.3VulnerableSnort
cpe:2.3:a:snort:snort:1.8.4:*:*:*:*:*:*:*1.8.4VulnerableSnort
cpe:2.3:a:snort:snort:1.8.5:*:*:*:*:*:*:*1.8.5VulnerableSnort
cpe:2.3:a:snort:snort:1.8.6:*:*:*:*:*:*:*1.8.6VulnerableSnort
cpe:2.3:a:snort:snort:1.8.7:*:*:*:*:*:*:*1.8.7VulnerableSnort
  • cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:* Versions up to 2.8.3.5 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.3:*:*:*:*:*:*:* Versions 1.8.3 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.4:*:*:*:*:*:*:* Versions 1.8.4 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.5:*:*:*:*:*:*:* Versions 1.8.5 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.6:*:*:*:*:*:*:* Versions 1.8.6 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.8.7:*:*:*:*:*:*:* Versions 1.8.7 Vulnerable ·Snort
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:snort:snort:1.9.0:*:*:*:*:*:*:*1.9.0VulnerableSnort
cpe:2.3:a:snort:snort:1.9.1:*:*:*:*:*:*:*1.9.1VulnerableSnort
cpe:2.3:a:snort:snort:2.0:beta:*:*:*:*:*:*2.0 betaVulnerableSnort
cpe:2.3:a:snort:snort:2.0:rc1:*:*:*:*:*:*2.0 rc1VulnerableSnort
cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:*2.6.1VulnerableSnort
cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*2.6.1.1VulnerableSnort
cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:*2.6.1.2VulnerableSnort
cpe:2.3:a:snort:snort:2.6.2:*:*:*:*:*:*:*2.6.2VulnerableSnort
cpe:2.3:a:snort:snort:2.7_beta1:*:*:*:*:*:*:*2.7_beta1VulnerableSnort
cpe:2.3:a:snort:snort:2.8.0:*:*:*:*:*:*:*2.8.0VulnerableSnort
cpe:2.3:a:snort:snort:2.8.2.2:*:*:*:*:*:*:*2.8.2.2VulnerableSnort
cpe:2.3:a:snort:snort:2.8.3:*:*:*:*:*:*:*2.8.3VulnerableSnort
cpe:2.3:a:snort:snort:2.8.3.1:*:*:*:*:*:*:*2.8.3.1VulnerableSnort
cpe:2.3:a:snort:snort:2.8.3.2:*:*:*:*:*:*:*2.8.3.2VulnerableSnort
cpe:2.3:a:snort:snort:2.8.3.4:*:*:*:*:*:*:*2.8.3.4VulnerableSnort
cpe:2.3:a:snort:snort:2.8.3.4.1:*:*:*:*:*:*:*2.8.3.4.1VulnerableSnort
  • cpe:2.3:a:snort:snort:1.9.0:*:*:*:*:*:*:* Versions 1.9.0 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:1.9.1:*:*:*:*:*:*:* Versions 1.9.1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.0:beta:*:*:*:*:*:* Versions 2.0 beta Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.0:rc1:*:*:*:*:*:* Versions 2.0 rc1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:* Versions 2.6.1.1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:* Versions 2.6.1.2 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.7_beta1:*:*:*:*:*:*:* Versions 2.7_beta1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.0:*:*:*:*:*:*:* Versions 2.8.0 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.2.2:*:*:*:*:*:*:* Versions 2.8.2.2 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.3:*:*:*:*:*:*:* Versions 2.8.3 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.3.1:*:*:*:*:*:*:* Versions 2.8.3.1 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.3.2:*:*:*:*:*:*:* Versions 2.8.3.2 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.3.4:*:*:*:*:*:*:* Versions 2.8.3.4 Vulnerable ·Snort
  • cpe:2.3:a:snort:snort:2.8.3.4.1:*:*:*:*:*:*:* Versions 2.8.3.4.1 Vulnerable ·Snort

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3641
  2. 2026-10-03 Alias added: GHSA-56x5-r874-457f

References

Exploit 2

Patch 1

Advisory 2

Other 3

  • TI-2006-05090 Stack-based buffer overflow in the DCE/RPC preprocessor in Snort before 2.6.1.3, and 2.7… CVSS 2.0HIGH 10.0
  • TI-2003-00029 Buffer overflow in the RPC preprocessor for Snort 1.8 and 1.9.x before 1.9.1 allows… CVSS 2.0HIGH 10.0
  • TI-2016-01306 Untrusted search path vulnerability in Snort 2.9.7.0-WIN32 allows remote attackers to… CVSS 3.0HIGH 8.8
  • TI-2021-00950 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability CVSS 3.1HIGH 7.5
  • TI-2007-01340 The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for… CVSS 2.0HIGH 7.1
  • TI-2001-00644 Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection… CVSS 2.0HIGH 7.5
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences