CVE-2026-8696

HIGH EPSS 44.4%
Published May 15, 20261mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
High
Find Similar
Published May 15, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_pids_list() function within the GDB client core that allows remote attackers to cause a denial of service or potentially execute arbitrary code by sending malformed thread information responses. Attackers can trigger the vulnerability by causing qsThreadInfo to fail after qfThreadInfo successfully allocates RDebugPid structures, resulting in double-free memory corruption when the error path attempts to clean up the list.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
44.4% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
radareradare2* ≤6.1.4

References 3

  • github.com https://github.com/radareorg/radare2/commit/c213ad6894a1eb9086ac8bf5fae35757e9e1683c
    Patch
  • github.com https://github.com/radareorg/radare2/issues/25836
    ExploitIssue Tracking
  • vulncheck.com https://www.vulncheck.com/advisories/radare2-use-after-free-via-gdbr-pids-list
    Third Party Advisory

Remediation

  • github.com https://github.com/radareorg/radare2/commit/c213ad6894a1eb9086ac8bf5fae35757e9e1683c
    Patch