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CVE-2009-3641

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

4.3 MediumPublic exploit

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.

Exploit likelihood

38.8%Up 26.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2009-3641
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2009-3641
Updated
2026-11-02
EUVDEUVD-2009-3616 No score

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.

Record
EUVD-2009-3616
Updated
2026-11-03
GitHub AdvisoriesGHSA-56x5-r874-457f No score

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

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.

Record
GHSA-56x5-r874-457f
Updated
2026-11-02
OSV No score

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.

Record
CVE-2009-3641
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBSnort 2.8.5 - Multiple Denial of Service Vulnerabilities2009-10-22
Exploit-DBSnort 2.8.5 - IPv6 Denial of Service2009-10-23

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-3641 is a medium vulnerability (CVSS 4.3) in Snort, published October 28, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 38.8%, the 98th percentile. No source names a fixed version.

References

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