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

Quick assessment

Affected
radare2 radare2
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

CVSS 7.5 · High EPSS 1.07% · P63

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 2

VendorProduct Version RangeStatus
radare2 radare2 6.1.5 affected
c213ad6894a1eb9086ac8bf5fae35757e9e1683c unaffected
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
radare2 radare2 6.1.5 -

II. Public POCs for CVE-2026-8695

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8496 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-8695

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Patches & Fixes for CVE-2026-8695 (2)

Vendor Advisories for CVE-2026-8695 (1)

News Coverage for CVE-2026-8695 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-8695

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