Out-of-bounds read in radare2 - #VU142708
Published: August 15, 2026
Vulnerability identifier: #VU142708
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read in the Lua 5.3 bytecode function parser when parsing a crafted Lua 5.3 bytecode file. A remote attacker can trick the victim into opening or inspecting a crafted file to cause a denial of service.
No attacker-observable memory disclosure has been demonstrated.
Affected software
radare2
Remediation
Install security update from vendor's website.
radare2 - update to 6.2.0