CVE-2025-62791— Wazuh vulnerable to NULL pointer dereference in DecodeCiscat
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I. Basic Information for CVE-2025-62791
Vulnerability Information
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Vulnerability Title
Wazuh vulnerable to NULL pointer dereference in DecodeCiscat
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, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. A compromised agent can cause a crash of analysisd 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 cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加检查的返回值
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wazuh 代码问题漏洞
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之前版本存在代码问题漏洞，该漏洞源于未检查cJSON_GetObjectItem返回值，可能导致分析服务崩溃。
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-2025-62791
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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-2025-62788 | Wazuh Vulnerable to Heap Use After Free in w_copy_event_for_log | |
| 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 |
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
Same weakness: CWE-252
- CVE-2026-34065
nimiq-primitives: Node crash due to missing interlink valida - CVE-2026-35344
uutils coreutils dd Silent Data Corruption via Unconditional - CVE-2026-35468
nimiq/core-rs-albatross: Panic in history index request hand - CVE-2026-31830
sigstore-ruby verifier returns success for DSSE bundles with - CVE-2026-28691
ImageMagick has an uninitialized pointer dereference in JBIG
V. Comments for CVE-2025-62791
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