Is CVE-2009-2561 in the CISA KEV catalog?

No. CVE-2009-2561 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2561?

CVE-2009-2561 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-2561?

CVE-2009-2561 has an EPSS score of 1.95% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-2561?

Upgrade wireshark on debian 11 to 1.2.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-2561

MEDIUMEPSS 78th pctl

5.0

CVSS v2

NVD

Description

Unspecified vulnerability in the sFlow dissector in Wireshark 1.2.0 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified vectors.

How to fix

Remediation Available

wiresharkDebian

Fixed in:1.2.1-1CVE-2009-2561

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.95%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch3

Vendor Advisory1

secunia.com

Other references1

oval.cisecurity.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.