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TI-2017-04417 Aliases CVE-2017-6658GHSA-7mxj-982j-3px6

Out-of-bounds read in Snort 3.0 All versions prior to build 233.

Priority LOW 35CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.0106 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Snort 3.0 All versions prior to build 233.Snort 3.0 All versions prior to build 233.—No fix listedCNA
  • Snort 3.0 All versions prior to build 233. Vendor— Affected Snort 3.0 All versions prior to build 233. Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:sourcefire_snort:3.0:*:*:*:*:*:*:*3.0VulnerableCisco
  • cpe:2.3:a:cisco:sourcefire_snort:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6658
  2. 2026-10-03 Alias added: GHSA-7mxj-982j-3px6

References

Sources