CVE-2026-20054
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability
Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to improper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to enter an infinite loop, causing a DoS condition.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco Cyber Vision
- Vendor
- Cisco
- Product
- Cisco Cyber Vision
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.0.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.0.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.0.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.X | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.2.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.3.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.4.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.4.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 4.1.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.0.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.3.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
Cisco Secure Firewall Threat Defense (FTD) Software
- Vendor
- Cisco
- Product
- Cisco Secure Firewall Threat Defense (FTD) Software
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.8.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.10.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.10.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
Cisco UTD SNORT IPS Engine Software
- Vendor
- Cisco
- Product
- Cisco UTD SNORT IPS Engine Software
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3.17.1S | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 3.17.0S | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.1r | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.7a | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.4.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.5.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.5.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.4a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.4.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.4.1b | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.7.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.8.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.3a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.7.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.10.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.2a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.11.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.3a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.8a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.6a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.4a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.13.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.5a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.14.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.3a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.6.8a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.16.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.5e | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.4a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.2c | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.5f | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.4b | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.2a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.17.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.5a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.7a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.3a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.5b | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.5c | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.7b | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.18.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.18.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.9.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.15.4c | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.12.5d | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.18.2 | affected | Unavailable | Unavailable | Unavailable | None listed |