{"id":"CVE-2026-74045","revision":"948fd1ac507a4275a74b4bdc6c5e3d26","records":[{"revision":"948fd1ac507a4275a74b4bdc6c5e3d26","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74045","aliases":[],"title":"Wazuh 3.12.0 before 4.14.8 Heap Buffer Overflow in wazuh-analysisd FIM Decoder","description":"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.","state":0,"publishedAt":"2026-10-13T13:27:32.515+00:00","modifiedAt":"2026-10-13T13:47:59.978+00:00","affected":[{"ecosystem":"Vendor product","name":"wazuh-manager","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Wazuh\",\n                    \"product\": \"wazuh-manager\",\n                    \"packageURL\": \"pkg:github/wazuh/wazuh\",\n                    \"repo\": \"https://github.com/wazuh/wazuh\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.12.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.14.8\"\n                        },\n                        {\n                            \"version\": \"4.14.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","score":7.1,"severity":"HIGH"}],"references":["https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr","https://github.com/wazuh/wazuh/releases/tag/v4.14.8","https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74045","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74045","identifiers":["CVE-2026-74045"]},"retained":false,"historicalAffected":[]}],"coverage":[]}