cisco-sa-snort3-misc-dos-6mB22qAK · Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities

สรุปจากผู้ผลิต

Multiple Cisco products are affected by vulnerabilities in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-misc-dos-6mB22qAK This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of October 21, 2026, Security Advisories. In addition, for further documentation of improvements and fixes in Open Source Snort 3, see Multiple Cisco Products Snort 3 Security Hardening Release: October 2026.

Product ที่ได้รับผลกระทบ

ASA/FTD

เวอร์ชันที่ได้รับผลกระทบ: 7.0.0, 7.0.0.1, 7.0.1, 7.0.1.1, 7.0.2, 7.0.2.1, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.0.6.1, 7.0.6.2, 7.0.6.3, 7.0.7, 7.0.8, 7.0.8.1, 7.0.9, 7.2.0, 7.2.0.1, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.2.4.1, 7.2.5, 7.2.5.1, 7.2.6, 7.2.7, 7.2.5.2, 7.2.8, 7.2.8.1, 7.2.9, 7.2.10, 7.2.10.2, 7.2.11, 7.3.0, 7.3.1, 7.3.1.1, 7.3.1.2, 7.4.0, 7.4.1, 7.4.1.1, 7.4.2, 7.4.2.1, 7.4.2.2, 7.4.2.3, 7.4.2.4, 7.4.3, 7.4.4, 7.4.7, 7.6.0, 7.6.1, 7.6.2, 7.6.2.1, 7.6.4, 7.7.0, 7.7.10, 7.7.10.1, 7.7.11, 10.0.0
เวอร์ชันที่แก้ไขแล้ว: —

Cisco UTD SNORT IPS Engine Software

เวอร์ชันที่ได้รับผลกระทบ: 17.12.1a, 17.12.2, 17.12.3, 17.12.3a, 17.12.4, 17.12.4a, 17.12.4b, 17.12.5, 17.12.5a, 17.12.5b, 17.12.5c, 17.12.6, 17.12.5d, 17.12.7, 17.12.7a, 17.12.7b, 17.12.8, 17.13.1a, 17.14.1a, 17.15.1a, 17.15.2a, 17.15.2c, 17.15.3, 17.15.3a, 17.15.4, 17.15.4c, 17.15.5, 17.15.5a, 17.15.6, 17.16.1a, 17.17.1, 17.18.1a, 17.18.2, 17.18.3a, 17.18.4, 26.1.1, 26.1.2
เวอร์ชันที่แก้ไขแล้ว: —

Cisco Open Source Snort3

เวอร์ชันที่ได้รับผลกระทบ: 3.1.10.0, 3.1.12.0, 3.1.13.0, 3.1.14.0, 3.1.15.0, 3.1.16.0, 3.1.17.0, 3.1.18.0, 3.1.19.0, 3.1.2.0, 3.1.20.0, 3.1.21.0, 3.1.22.0, 3.1.23.0, 3.1.24.0, 3.1.25.0, 3.1.27.0, 3.1.28.0, 3.1.29.0, 3.1.3.0, 3.1.30.0, 3.1.31.0, 3.1.32.0, 3.1.36.0, 3.1.38.0, 3.1.39.0, 3.1.4.0, 3.1.40.0, 3.1.41.0, 3.1.42.0, 3.1.43.0, 3.1.45.0, 3.1.47.0, 3.1.48.0, 3.1.5.0, 3.1.50.0, 3.1.51.0, 3.1.52.0, 3.1.53.0, 3.1.55.0, 3.1.56.0, 3.1.57.0, 3.1.58.0, 3.1.59.0, 3.1.6.0, 3.1.60.0, 3.1.61.0, 3.1.62.0, 3.1.63.0, 3.1.64.0, 3.1.65.0, 3.1.66.0, 3.1.67.0, 3.1.69.0, 3.1.7.0, 3.1.70.0, 3.1.71.0, 3.1.72.0, 3.1.73.0, 3.1.74.0, 3.1.75.0, 3.1.76.0, 3.1.77.0, 3.1.78.0, 3.1.8.0, 3.1.81.0, 3.1.82.0, 3.1.83.0, 3.1.84.0, 3.1.9.0, 3.10.0.0, 3.2.1.0, 3.2.2.0, 3.3.0.0, 3.3.1.0, 3.3.2.0, 3.3.3.0, 3.3.4.0, 3.3.5.0, 3.3.7.0, 3.5.0.0, 3.5.1.0, 3.5.2.0, 3.6.0.0, 3.6.1.0, 3.6.2.0, 3.6.3.0, 3.7.0.0, 3.7.1.0, 3.7.2.0, 3.7.3.0, 3.7.4.0, 3.8.1.0, 3.9.0.0, 3.9.1.0, 3.9.2.0, 3.9.3.0, 3.9.5.0, 3.9.6.0, 3.9.7.0, 3.10.1.0, 3.10.2.0, 3.11.1.0
เวอร์ชันที่แก้ไขแล้ว: —

CVE ที่เกี่ยวข้อง (4)

CVE	CVSS	EPSS	KEV
CVE-2026-20019	Medium5.8 v3.1	0.5% (P45)	—
CVE-2026-20179	Medium5.8 v3.1	0.5% (P43)	—
CVE-2026-20197	Medium5.8 v3.1	0.5% (P43)	—
CVE-2026-76489	Medium5.8 v3.1	0.5% (P40)	—

EPSS = โอกาสที่ช่องโหว่จะถูกใช้โจมตีใน 30 วันข้างหน้า (FIRST.org) · P = percentile