CVE-2025-62788— Wazuh Vulnerable to Heap Use After Free in w_copy_event_for_log
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I. Basic Information for CVE-2025-62788
Vulnerability Information
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Vulnerability Title
Wazuh Vulnerable to Heap Use After Free in w_copy_event_for_log
Source: NVD (National Vulnerability Database)
Vulnerability Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, w_copy_event_for_log() references memory (initially allocated in OS_CleanMSG()) after it has been freed. A compromised agent can potentially compromise the integrity of the application by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can leverage this issue to potentially compromise the integrity of the application (the use of previously freed memory may corrupt valid data, if the memory area in question has been allocated and used properly elsewhere). This vulnerability is fixed in 4.11.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wazuh 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wazuh是Wazuh开源的一个应用软件。用于收集，汇总，索引和分析安全数据，帮助组织检测入侵，威胁和行为异常。 Wazuh 4.11.0之前版本存在资源管理错误漏洞，该漏洞源于w_copy_event_for_log函数引用已释放内存，可能导致应用程序完整性被破坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-62788
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Same Patch Batch · wazuh · 2025-10-29 · 8 CVEs total
| CVE-2025-62786 | Wazuh Vulnerable to Heap-based Buffer Out-Of-Bounds WRITE in decode_win_permissions | |
| CVE-2025-62785 | Wazuh fillData NULL pointer dereference causes analysisd crash | |
| CVE-2025-62787 | Wazuh Vulnerable to Heap-based Buffer Over-read in DecodeWinevt | |
| CVE-2025-62790 | Wazuh vulnerable to NULL pointer dereference in fim_fetch_attributes_state | |
| CVE-2025-62789 | Wazuh vulnerable to NULL pointer dereference in fim_alert line 712 | |
| CVE-2025-62792 | Wazuh vulnerable to Heap-based Buffer Over-read in w_expression_match | |
| CVE-2025-62791 | Wazuh vulnerable to NULL pointer dereference in DecodeCiscat |
IV. Related Vulnerabilities
Same product: wazuh
- CVE-2026-41499
Wazuh: Multiple Heap-based NULL WRITE Buffer Underflows in p - CVE-2026-30893
Wazuh cluster sync path traversal in decompress_files() enab - CVE-2026-28221
Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted - CVE-2026-26206
Wazuh: API brute-force protection bypass via race condition - CVE-2026-26204
Wazuh: Heap-based NULL WRITE Buffer Underflow in GetAlertDat
Same vendor: wazuh
- CVE-2026-41499
Wazuh: Multiple Heap-based NULL WRITE Buffer Underflows in p - CVE-2026-30893
Wazuh cluster sync path traversal in decompress_files() enab - CVE-2026-28221
Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted - CVE-2026-26206
Wazuh: API brute-force protection bypass via race condition - CVE-2026-26204
Wazuh: Heap-based NULL WRITE Buffer Underflow in GetAlertDat
V. Comments for CVE-2025-62788
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