01 Record
CVE-2006-6931
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2007-01-16 23:00Z19 YR AGO
- Last updated
- 2024-08-07 20:42Z2 YR AGO
- Reserved
- 2007-01-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 9870283e7c0cbcadbb5bf4ffb89fed8986be780e33dbe5c2c1f961f19cd7a390
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securityfocus.com21991http://www.securityfocus.com/bid/21991
- www.cs.wisc.eduhttp://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip
- lists.immunitysec.com[dailydave] 20070110 Algorithmic Bugshttp://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html
- secunia.com24164http://secunia.com/advisories/24164
- secunia.com24338http://secunia.com/advisories/24338
- exchange.xforce.ibmcloud.comsnort-rule-matching-dos(31430)https://exchange.xforce.ibmcloud.com/vulnerabilities/31430
- www.osvdb.org32096http://www.osvdb.org/32096
- secunia.com23716http://secunia.com/advisories/23716
- securitytracker.com1017508http://securitytracker.com/id?1017508
- security.gentoo.orgGLSA-200702-03http://security.gentoo.org/glsa/glsa-200702-03.xml
- www.cs.wisc.eduhttp://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf
- www.mandriva.comMDKSA-2007:051http://www.mandriva.com/security/advisories?name=MDKSA-2007:051
- www.acsac.orghttp://www.acsac.org/2006/advance_program.html
- www.acsac.orghttp://www.acsac.org/2006/papers/54.pdf
- www.acsac.orghttp://www.acsac.org/2006/abstracts/54.html
- www.snort.orghttp://www.snort.org/pub-bin/snortnews.cgi