How severe is CVE-2007-6451?

CVE-2007-6451 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-6451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6451?

CVE-2007-6451 primarily affects Wireshark. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6451?

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

When was CVE-2007-6451 published?

CVE-2007-6451 was published on 2007-12-19 and last updated on 2026-06-16.

CVE-2007-6451

CVE-2007-6451 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. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Wireshark
Published: 2007-12-19
Last modified: 2026-06-16

Description

Unspecified vulnerability in the CIP dissector in Wireshark (formerly Ethereal) 0.9.14 to 0.99.6 allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger allocation of large amounts of memory.

Frequently asked questions

What is CVE-2007-6451?: Unspecified vulnerability in the CIP dissector in Wireshark (formerly Ethereal) 0.9.14 to 0.99.6 allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger allocation of large amounts of memory.
How severe is CVE-2007-6451?: CVE-2007-6451 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-6451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6451?: CVE-2007-6451 primarily affects Wireshark. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6451 published?: CVE-2007-6451 was published on 2007-12-19 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:wireshark:wireshark:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.9.14:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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