CVE-2009-3551: n/a vulnerability

CVE-2009-3551: Off-by-one error in the dissect_negprot_response function in packet-smb.c in the SMB dissector in Wireshark...

Off-by-one error in the dissect_negprot_response function in packet-smb.c in the SMB dissector in Wireshark 1.2.0 through 1.2.2 allows remote attackers to cause a denial of service (application crash) via a file that records a malformed packet trace. NOTE: some of these details are obtained from third party information.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:31 UTC (UTC+00:00)

Security readout for executives and security teams

This is a legacy Wireshark crash issue. A malformed SMB packet trace file could make vulnerable Wireshark versions crash when analyzed. The business impact is mainly analyst disruption and loss of tool availability, not confirmed system takeover. Exposure is most likely in legacy environments still running Wireshark 1.2.0, 1.2.1, or 1.2.2, especially where analysts open externally supplied or untrusted packet capture files. Treat this as a low-blast-radius legacy hygiene item unless vulnerable Wireshark versions remain in active security operations. Prioritize removal during endpoint and tooling refresh cycles. Mitigation focus: Upgrade affected Wireshark 1.2.0 through 1.2.2 installations using vendor guidance.; Review Wireshark 1.2.3 release notes and WNPA-SEC-2009-07.; Avoid opening untrusted packet traces on vulnerable Wireshark versions..

Prepared: Jun 28, 2026, 18:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 30, 2009, 20:05 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:6049CVE reference · vdb-entry, signature
wireshark-negprotresponse-dos(54018)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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