Out-of-bounds read in radare2 - CVE-2026-81884
Published: August 15, 2026 / Updated: September 23, 2026
Vulnerability identifier: #VU142711
CSH Severity: Low
CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-81884
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 Mach-O LC_DATA_IN_CODE parser when parsing a crafted Mach-O file with verbose binary parsing enabled. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
The vulnerable code path is only executed when bin.verbose is enabled, and user interaction is required to process the crafted file.
Affected software
radare2
How to mitigate CVE-2026-81884
Install security update from vendor's website.
radare2 - update to 6.2.0