CVE-2009-3550

CVE-2009-3550 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2009-3550?
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.
How severe is CVE-2009-3550?
CVE-2009-3550 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-3550 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3550?
CVE-2009-3550 primarily affects Wireshark. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3550?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3550 published?
CVE-2009-3550 was published on 2009-10-30 and last updated on 2026-06-16.

References

Affected products (28)

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