CVE-2026-32984— Heap buffer overflow in wazuh-authd
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I. Basic Information for CVE-2026-32984
Vulnerability Information
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Vulnerability Title
Heap buffer overflow in wazuh-authd
Source: NVD (National Vulnerability Database)
Vulnerability Description
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wazuh 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出问题，可能导致攻击者发送特制输入造成内存损坏和堆数据畸形，从而触发拒绝服务条件。
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-2026-32984
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- Heap buffer overflow in wazuh-authd | Advisories | VulnCheckthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-32984
Same Patch Batch · Wazuh · 2026-03-27 · 7 CVEs total
| CVE-2025-15616 | 6.7 MEDIUM | Wazuh Agent and Manager OS Command Injection and Untrusted Search Path |
| CVE-2025-15615 | 6.5 MEDIUM | Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of S |
| CVE-2025-15617 | 6.5 MEDIUM | Wazuh GitHub Actions Workflow Exposure of Sensitive Credentials |
| CVE-2026-32983 | 5.8 MEDIUM | SSL/TLS Renegotiation DoS in Wazuh Manager authd service |
| CVE-2025-15612 | 4.8 MEDIUM | Wazuh Provisioning Scripts / Build Infrastructure Improper Certificate Validation leading |
| CVE-2023-7340 | 3.1 LOW | Wazuh authd service (os_auth) Heap-based Buffer Overflow |
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-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2026-32984
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