CVE-2026-8695 HIGH

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

Vendor Radare2
Product radare2
Weakness CWE-416
Published May 15, 2026
Last update May 15, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 15, 2026 CVE published
May 15, 2026 Record updated