{"id":"CVE-2026-74045","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74045","summary":"Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where full_log is sized from input but written bounded by OS_MAXSTR. An enrolled agent can send…","details":"Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where full_log is sized from input but written bounded by OS_MAXSTR. An enrolled agent can send a crafted FIM syscheck event to corrupt manager heap memory and deterministically crash wazuh-analysisd, causing a fleet-wide detection outage.","published":"2026-10-13T14:17:41.160","modified":"2026-10-13T14:17:41.160","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8"},{"type":"WEB","url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder"},{"type":"WEB","url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-13T14:17:41.160"}}