Is CVE-2007-1398 being actively exploited?

CVE-2007-1398 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-1398?

CVE-2007-1398 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2007-1398

HIGH · CVSS 7.1EPSS 5.9%EU EUVD

The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for inline use on Linux without the ip_conntrack module loaded, allows remote attackers to cause a denial of service (segmentation fault and application crash) via certain UDP packets produced by send_morefrag_packet and send_overlap_packet.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS score: 5.9% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-1394)
Published: March 10, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1394 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
snort / snort
snort / snort
snort / snort

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain