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CVE-2009-4377

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to...

4.3 MediumFix available

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Exploit likelihood

2.66%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
CVE-2009-4377
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

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
CVE-2009-4377
Updated
2026-11-02
EUVDEUVD-2009-4345 No score

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
EUVD-2009-4345
Updated
2026-11-03
GitHub AdvisoriesGHSA-wqc7-2v82-hg6w No score

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to...

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
GHSA-wqc7-2v82-hg6w
Updated
2026-11-02
OSV No score

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
CVE-2009-4377
Updated
2026-11-02
OSVDEBIAN-CVE-2009-4377 No score

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Record
DEBIAN-CVE-2009-4377
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:12
 before 1.2.5-1
1.2.5-1
wireshark
Debian:13
 before 1.2.5-1
1.2.5-1
wireshark
Debian:14
 before 1.2.5-1
1.2.5-1
wireshark
Debian:5.0
From an advisory covering 2 CVEs
 before 1.0.2-3+lenny8, plus listed versions
1.0.2-3+lenny31.0.2-3+lenny41.0.2-3+lenny51.0.2-3+lenny61.0.2-3+lenny7
1.0.2-3+lenny8
wireshark
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-gnome
Red Hat:enterprise_linux:3::as
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-gnome
Red Hat:enterprise_linux:3::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
Show 26 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-gnome
Red Hat:enterprise_linux:3::es
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark-gnome
Red Hat:enterprise_linux:3::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-EL3.6
0:1.0.11-EL3.6
wireshark
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-gnome
Red Hat:enterprise_linux:4::as
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-gnome
Red Hat:enterprise_linux:4::desktop
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-gnome
Red Hat:enterprise_linux:4::es
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark-gnome
Red Hat:enterprise_linux:4::ws
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el4_8.5
0:1.0.11-1.el4_8.5
wireshark
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark-gnome
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5
wireshark-gnome
Red Hat:enterprise_linux:5::server
From an advisory covering 7 CVEs
 before 0:1.0.11-1.el5_5.5
0:1.0.11-1.el5_5.5

History

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

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

In short

CVE-2009-4377 is a medium vulnerability (CVSS 4.3) in Wireshark, published December 21, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.66%, the 85th percentile. Fixed in wireshark 1.2.5-1.

References

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