CVE-2009-3641
Published Oct 28, 2009 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 20%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 59159 ↗
- 36795 ↗
- 1023076 ↗
- dl.snort.org ↗
- 37135 ↗
- [oss-security] 20091025 CVE Request -- Snort - 2.8.5.1 ↗
- vrt-sourcefire.blogspot.com ↗
- ADV-2009-3014 ↗
- snort-ipv6-dos(53912) ↗
- [oss-security] 20091025 SANS: Security Thought LeadersRe: CVE Request -- Snort - 2.8.5.1 ↗
- 20091022 Snort <= 2.8.5 IPV6 Remote DoS ↗
- bugzilla.redhat.com ↗
Record history
Published Oct 28, 2009 · Last refreshed Oct 23, 2026