What’s Vulnerable › Vulnerabilities

CVE-2007-1398

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2007-03-10 · updated 2026-06-16

Description

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.

Affected products

• Snort: 2.6.1.1, 2.6.1.2, 2.7_beta1

References

• 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

Get alerted when CVE-2007-1398 or the next vulnerability affects your stack