Is CVE-2006-6931 actively exploited?

CVE-2006-6931 has no public evidence of in-the-wild exploitation as of 2025-04-09.

What is the CVSS score for CVE-2006-6931?

CVE-2006-6931 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P.

How do I patch CVE-2006-6931?

Patch guidance is available from snort security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2006-6931.

CVE-2006-6931 - remediation guidance & executive summary

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."

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: NVD-CWE-Other

Metadata

Primary Vendor: SNORT
Published: 1/16/2007
Last Modified: 4/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2006-6931

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary