CVE-2007-3393

CVE-2007-3393 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. 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 5.0)
• EPSS exploit prediction: 2% (78th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Wireshark
• Published: 2007-06-26
• Last modified: 2026-06-16

Description

Off-by-one error in the DHCP/BOOTP dissector in Wireshark before 0.99.6 allows remote attackers to cause a denial of service (crash) via crafted DHCP-over-DOCSIS packets.

Frequently asked questions

What is CVE-2007-3393?

Off-by-one error in the DHCP/BOOTP dissector in Wireshark before 0.99.6 allows remote attackers to cause a denial of service (crash) via crafted DHCP-over-DOCSIS packets.

How severe is CVE-2007-3393?

CVE-2007-3393 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-3393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3393?

CVE-2007-3393 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3393?

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

When was CVE-2007-3393 published?

CVE-2007-3393 was published on 2007-06-26 and last updated on 2026-06-16.

References

• http://osvdb.org/37639
• http://secunia.com/advisories/22588/
• http://secunia.com/advisories/25833
• http://secunia.com/advisories/25877
• http://secunia.com/advisories/25987
• http://secunia.com/advisories/26004
• http://secunia.com/advisories/26499
• http://secunia.com/advisories/28583
• http://security.gentoo.org/glsa/glsa-200708-12.xml
• http://www.debian.org/security/2007/dsa-1322
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:145
• http://www.novell.com/linux/security/advisories/2007_15_sr.html
• http://www.redhat.com/support/errata/RHSA-2007-0709.html
• http://www.redhat.com/support/errata/RHSA-2007-0710.html
• http://www.redhat.com/support/errata/RHSA-2008-0059.html
• http://www.securityfocus.com/bid/24662
• http://www.securitytracker.com/id?1018315
• http://www.vupen.com/english/advisories/2007/2353
• http://www.wireshark.org/docs/relnotes/wireshark-0.99.6.html
• http://www.wireshark.org/security/wnpa-sec-2007-02.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/35113
• https://issues.rpath.com/browse/RPL-1498
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11010

Affected products (1)

• cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

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