How severe is CVE-2009-3241?

CVE-2009-3241 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2009-3241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3241?

CVE-2009-3241 primarily affects Wireshark. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3241?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-3241 published?

CVE-2009-3241 was published on 2009-09-18 and last updated on 2026-06-16.

CVE-2009-3241

CVE-2009-3241 is a high-severity vulnerability in Wireshark with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wireshark
Published: 2009-09-18
Last modified: 2026-06-16

Description

Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.

Frequently asked questions

What is CVE-2009-3241?: Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.
How severe is CVE-2009-3241?: CVE-2009-3241 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-3241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3241?: CVE-2009-3241 primarily affects Wireshark. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-3241 published?: CVE-2009-3241 was published on 2009-09-18 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.6a:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*

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