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CVE-2026-8695

radare2 6.1.5 Use-After-Free via gdbr_threads_list()

Published: May 15, 2026Updated: May 18, 2026 Sources: CVE List NVDCWE-416
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.6%
Top 54.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

radare2radare2
On-prem
DevTools & CI / build-test-tools
radare2radareDevTools & CI
radare2oss-projectDevTools & CIaka radare2
radareoss-projectDevTools & CI

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/radareorg/radare2/issues/25835
github.com
https://github.com/radareorg/radare2/commit/c213ad6894a1eb9086ac8bf5fae35757e9e1683c
github.com
https://www.vulncheck.com/advisories/radare2-use-after-free-via-gdbr-threads-list
vulncheck.com
and 1 more references View all →

Timeline

Published
May 15, 2026
Last Updated
May 18, 2026

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