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CVE-2026-8695— radare2 6.1.5 Use-After-Free via gdbr_threads_list()

CVSS 7.5 · High EPSS 0.26% · P49

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 2

VendorProductVersion RangeStatus
radare2radare26.1.5affected
c213ad6894a1eb9086ac8bf5fae35757e9e1683cunaffected
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I. Basic Information for CVE-2026-8695

Vulnerability Information
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Vulnerability Title
radare2 6.1.5 Use-After-Free via gdbr_threads_list()
Source: NVD (National Vulnerability Database)
Vulnerability Description
radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_threads_list() function that allows remote attackers to trigger memory corruption by sending a valid qfThreadInfo response followed by a malformed qsThreadInfo response. Attackers can exploit this vulnerability through GDB remote debugging to cause a denial of service or potentially achieve code execution by manipulating thread list processing.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Radare2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Radare2是Radare开源的一个面向 Unix 极客的 Libre 反向框架。 Radare2 6.1.5版本存在资源管理错误漏洞，该漏洞源于gdbr_threads_list()函数中存在释放后重用，可能导致远程攻击者通过发送有效的qfThreadInfo响应后跟格式错误的qsThreadInfo响应触发内存损坏，攻击者可通过GDB远程调试利用此漏洞造成拒绝服务或通过操纵线程列表处理实现代码执行。
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

VendorProductAffected VersionsCPESubscribe
radare2radare2 6.1.5 -

II. Public POCs for CVE-2026-8695

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8496 chars
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III. Intelligence Information for CVE-2026-8695

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IV. Related Vulnerabilities

Same product: radare2
Same vendor: radare2
Same weakness: CWE-416

V. Comments for CVE-2026-8695

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