Vulnerability record · CVE-2007-1398 · published 10 March 2007

CVE-2007-1398: Snort vulnerability

Snort · Snort

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.

7.1 CVSS 2.0 High EPSS 5.6% · top 7.4%

7.1CVSS 2.0 base score

5.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Snort Snort

References

Link	Tags
http://www.osvdb.org/33024
http://www.securityfocus.com/bid/22872
http://www.snort.org/docs/release_notes/release_notes_2613.txt
https://www.exploit-db.com/exploits/3434
http://www.osvdb.org/33024
http://www.securityfocus.com/bid/22872
http://www.snort.org/docs/release_notes/release_notes_2613.txt
https://www.exploit-db.com/exploits/3434

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-1398), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.