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Fencer Vulns
medium 4.3

CVE-2009-3550 json

The DCERPC/NT dissector in Wireshark 0.10.10 through 1.0.9 and 1.2.0 through 1.2.2 allows remote attackers to cause a denial of service (NU…

published 2009-10-30 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3532

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The DCERPC/NT dissector in Wireshark 0.10.10 through 1.0.9 and 1.2.0 through 1.2.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a file that records a malformed packet trace. NOTE: some of these details are obtained from third party information.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.2.3-1

debian advisories DEBIAN-CVE-2009-3550

  • wireshark RHEL 3 1.0.11-EL3.6
  • wireshark RHEL 4 1.0.11-1.el4_8.5
  • wireshark RHEL 5 1.0.11-1.el5_5.5
  • wireshark-gnome RHEL 3 1.0.11-EL3.6
  • wireshark-gnome RHEL 4 1.0.11-1.el4_8.5
  • wireshark-gnome RHEL 5 1.0.11-1.el5_5.5

red hat advisories RHSA-2010:0360

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-3550 updated cvss 2.9

Wireshark: NULL pointer dereference in the DCERPC over SMB packet disassembly

  • Red Hat Desktop version 3 wireshark 1.0.11-EL3.6, wireshark-gnome 1.0.11-EL3.6 Red Hat Enterprise Linux (v. 5 server) wireshark 1.0.11-1.el5_5.5, wireshark-gnome 1.0.11-1.el5_5.5 Red Hat Enterprise Linux AS version 3 wireshark 1.0.11-EL3.6, wireshark-gnome 1.0.11-EL3.6 Red Hat Enterprise Linux AS version 4 wireshark 1.0.11-1.el4_8.5, wireshark-gnome 1.0.11-1.el4_8.5 Red Hat Enterprise Linux Desktop (v. 5 client) wireshark 1.0.11-1.el5_5.5, wireshark-gnome 1.0.11-1.el5_5.5 Red Hat Enterprise Linux Desktop version 4 wireshark 1.0.11-1.el4_8.5, wireshark-gnome 1.0.11-1.el4_8.5
    +5 more products
    Red Hat Enterprise Linux Desktop Workstation (v. 5 client) wireshark 1.0.11-1.el5_5.5, wireshark-gnome 1.0.11-1.el5_5.5 Red Hat Enterprise Linux ES version 3 wireshark 1.0.11-EL3.6, wireshark-gnome 1.0.11-EL3.6 Red Hat Enterprise Linux ES version 4 wireshark 1.0.11-1.el4_8.5, wireshark-gnome 1.0.11-1.el4_8.5 Red Hat Enterprise Linux WS version 3 wireshark 1.0.11-EL3.6, wireshark-gnome 1.0.11-EL3.6 Red Hat Enterprise Linux WS version 4 wireshark 1.0.11-1.el4_8.5, wireshark-gnome 1.0.11-1.el4_8.5
    fixed: vendor fix RHSA-2010:0360

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.49% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.