CVE-2026-40499
Severity CVSS v4.0:
HIGH
Type:
CWE-78
OS Command Injections
Publication date:
15/04/2026
Last modified:
16/04/2026
Description
radare2 prior to version 6.1.4 contains a command injection vulnerability in the PDB parser's print_gvars() function that allows attackers to execute arbitrary commands by embedding a newline byte in the PE section header name field. Attackers can craft a malicious PDB file with specially crafted section names to inject r2 commands that are executed when the idp command processes the file.
Impact
Base Score 4.0
8.40
Severity 4.0
HIGH
References to Advisories, Solutions, and Tools
- https://blog.calif.io/p/mad-bugs-discovering-a-0-day-in-zero
- https://github.com/radareorg/radare2/commit/5590c87deeb7eb2a106fd7aab9ca88bfeebb7397
- https://github.com/radareorg/radare2/issues/25752
- https://github.com/radareorg/radare2/releases/tag/6.1.4
- https://www.vulncheck.com/advisories/radare2-command-injection-via-pdb-parser-print-gvars