CVE-2006-6931

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2007
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2006-6931: Medium severity, CVSS 5.0 | Vulnix