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Unrated severityNVD Advisory· Published Mar 10, 2007· Updated Jun 16, 2026

CVE-2007-1398

CVE-2007-1398

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Snort/Snort4 versions
    cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:snort:snort:2.7_beta1:*:*:*:*:*:*:*
    • (no CPE)range: <=2.7.0 beta

Patches

Vulnerability mechanics

References

4

News mentions

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