What’s Vulnerable › Vulnerabilities

CVE-2015-8954

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-20 · updated 2026-06-17
• Weakness: CWE-264

Description

The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.

Affected products

• Openinfosecfoundation Suricata: through 2.0.5

References

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523
• https://redmine.openinfosecfoundation.org/issues/1364
• https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523
• https://redmine.openinfosecfoundation.org/issues/1364
• https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/

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