What’s Vulnerable › Vulnerabilities

CVE-2017-6658

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-16 · updated 2026-06-17
• Weakness: CWE-125

Description

Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.

Affected products

• Snort 3.0 All versions prior to build 233.: 3.0

References

• http://blog.snort.org/2017/05/snort-vulnerabilities-found.html
• http://www.securitytracker.com/id/1038483
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort
• http://blog.snort.org/2017/05/snort-vulnerabilities-found.html
• http://www.securitytracker.com/id/1038483

Get alerted when CVE-2017-6658 or the next vulnerability affects your stack