CVE-2026-8695

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.

References

• https://github.com/radareorg/radare2/commit/c213ad6894a1eb9086ac8bf5fae35757e9e1683c
• https://github.com/radareorg/radare2/issues/25835
• https://github.com/radareorg/radare2/issues/25836
• https://www.vulncheck.com/advisories/radare2-use-after-free-via-gdbr-threads-list
• https://github.com/radareorg/radare2/issues/25835