High 7.5Published May 15, 2026

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

Updated under an hour ago (Oct 27, 2026, 1:50 PM ET)

Does this affect you?

It affects radare2 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for radare2

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

radare2 radare2 radare2:radare2 (from the name)	6.1.5; c213ad6894a1eb9086ac8bf5fae35757e9e1683c not affected	CNA record
radare radare2 radare:radare2	through 6.1.4	NVD

References

References

https://github.com/radareorg/radare2/issues/25835	issue-tracking, exploit
https://github.com/radareorg/radare2/commit/c213ad6894a1eb9086ac8bf5fae35757e9e1683c	patch
https://www.vulncheck.com/advisories/radare2-use-after-free-via-gdbr-threads-list	third-party-advisory
https://github.com/radareorg/radare2/issues/25836	issue-tracking, exploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.