How severe is CVE-2009-4378?

CVE-2009-4378 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4378?

CVE-2009-4378 primarily affects Wireshark. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4378 published?

CVE-2009-4378 was published on 2009-12-21 and last updated on 2026-06-16.

CVE-2009-4378

CVE-2009-4378 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

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wireshark
Published: 2009-12-21
Last modified: 2026-06-16

Description

The IPMI dissector in Wireshark 1.2.0 through 1.2.4 on Windows allows remote attackers to cause a denial of service (crash) via a crafted packet, related to "formatting a date/time using strftime."

Frequently asked questions

What is CVE-2009-4378?: The IPMI dissector in Wireshark 1.2.0 through 1.2.4 on Windows allows remote attackers to cause a denial of service (crash) via a crafted packet, related to "formatting a date/time using strftime."
How severe is CVE-2009-4378?: CVE-2009-4378 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4378?: CVE-2009-4378 primarily affects Wireshark. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4378 published?: CVE-2009-4378 was published on 2009-12-21 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*

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