CVE-2026-74045
Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where…
- Risk score
- 48/100
- CVSS
- 7.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- See advisory
- Fix
- Upgrade the product to 4.14.8 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
References
- https://github.com/wazuh/wazuh/releases/tag/v4.14.8
- https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr
- https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder
- https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr
Original 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.
Last activity 13 Oct 2026. Patch Forecast updates every hour.