How severe is CVE-2007-3389?

CVE-2007-3389 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-3389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3389?

CVE-2007-3389 primarily affects Wireshark. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3389?

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

When was CVE-2007-3389 published?

CVE-2007-3389 was published on 2007-06-26 and last updated on 2026-06-16.

CVE-2007-3389

CVE-2007-3389 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Wireshark
Published: 2007-06-26
Last modified: 2026-06-16

Description

Wireshark before 0.99.6 allows remote attackers to cause a denial of service (crash) via a crafted chunked encoding in an HTTP response, possibly related to a zero-length payload.

Frequently asked questions

What is CVE-2007-3389?: Wireshark before 0.99.6 allows remote attackers to cause a denial of service (crash) via a crafted chunked encoding in an HTTP response, possibly related to a zero-length payload.
How severe is CVE-2007-3389?: CVE-2007-3389 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-3389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3389?: CVE-2007-3389 primarily affects Wireshark. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3389 published?: CVE-2007-3389 was published on 2007-06-26 and last updated on 2026-06-16.

References

Affected products (6)

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:*:*:*:*:*:*:*

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