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CVE-2026-19201— Denial of Service via Unbounded Recursion in go-attestation Windows SIPA Parser

Quick assessment

Affected
Google go-attestation
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go-Attestation是美国Google公司开源的一个远程认证抽象库。 Google Go-Attestation 0.6.1及之前版本存在资源管理错误漏洞，该漏洞源于Windows SIPA事件日志解析器存在不受控制的递归，处理嵌套elamAggregation子事件时未强制执行最大递归深度限制，且递归路径绕过了大小检查，可能导致攻击者通过提交特制Windows事件日志耗尽goroutine调用栈，触发栈溢出，造成拒绝服务。

CVSS 6.6 · Medium EPSS 0.27% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google go-attestation 0.0.0≤ 0.6.1 affected
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I. Basic Information for CVE-2026-19201

Vulnerability Information
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Vulnerability Title
Denial of Service via Unbounded Recursion in go-attestation Windows SIPA Parser
Source: CVE Program / CVE List V5
Vulnerability Description
An uncontrolled recursion vulnerability in the Windows SIPA event log parser of Google go-attestation versions up to and including 0.6.1 allows an attacker to cause a denial of service (DoS). The (*WinEvents).readELAMAggregation function recurses for every nested elamAggregation sub-event without enforcing a maximum recursion depth limit, while the size guard is bypassed on recursive execution paths. By submitting a crafted Windows event log containing deeply nested elamAggregation headers, an attacker can exhaust the goroutine call stack, triggering an unrecoverable fatal runtime error (stack overflow) that immediately crashes the verifier application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go-Attestation 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go-Attestation是美国Google公司开源的一个远程认证抽象库。 Google Go-Attestation 0.6.1及之前版本存在资源管理错误漏洞，该漏洞源于Windows SIPA事件日志解析器存在不受控制的递归，处理嵌套elamAggregation子事件时未强制执行最大递归深度限制，且递归路径绕过了大小检查，可能导致攻击者通过提交特制Windows事件日志耗尽goroutine调用栈，触发栈溢出，造成拒绝服务。
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

Vendor Product Affected Versions CPE Subscribe
Google go-attestation 0.0.0 ~ 0.6.1 -

II. Public POCs for CVE-2026-19201

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III. Intelligence Information for CVE-2026-19201

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Patches & Fixes for CVE-2026-19201 (1)

Vendor Advisories for CVE-2026-19201 (1)

Vendor Pages for CVE-2026-19201 (1)

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Showing top 20 of 91 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: go-attestation
Same vendor: Google
Same weakness: CWE-674