CVE-2009-1266

CVE-2009-1266 is a critical-severity vulnerability in Wireshark with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.

Frequently asked questions

What is CVE-2009-1266?
Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
How severe is CVE-2009-1266?
CVE-2009-1266 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-1266 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1266?
CVE-2009-1266 primarily affects Wireshark. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1266?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1266 published?
CVE-2009-1266 was published on 2009-04-21 and last updated on 2026-06-16.

References

Affected products (45)

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