cbcvebase.
CVE-2026-20043
published 2026-10-21

CVE-2026-20043: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a…

PriorityP355critical9CVSS 3.1
AVNACHPRNUINSCCHIHAH
EPSS
0.26%
17.3th percentile
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20043 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.

Affected

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