CWE-786

Access of Memory Location Before Start of Buffer

1 CVEs Avg CVSS 5.8 MITRE
0
CRITICAL
0
HIGH
1
MEDIUM
0
LOW
0
POC
0
KEV

Monthly

CVE-2026-20058 MEDIUM This Month

Snort 3 Detection Engine crashes when processing malformed VBA data due to improper decompression error handling, allowing unauthenticated remote attackers to trigger denial-of-service conditions across multiple Cisco products. An attacker can exploit this vulnerability by sending crafted VBA payloads to cause unexpected engine restarts without requiring authentication or user interaction. No patch is currently available for this medium-severity flaw.

Cisco Denial Of Service
NVD
CVSS 3.1
5.8
EPSS
0.1%
CVE-2026-20058
EPSS 0% CVSS 5.8
MEDIUM This Month

Snort 3 Detection Engine crashes when processing malformed VBA data due to improper decompression error handling, allowing unauthenticated remote attackers to trigger denial-of-service conditions across multiple Cisco products. An attacker can exploit this vulnerability by sending crafted VBA payloads to cause unexpected engine restarts without requiring authentication or user interaction. No patch is currently available for this medium-severity flaw.

Cisco Denial Of Service
NVD

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