CVE-2026-40499
radare2 < 6.1.4 Command Injection via PDB Parser print_gvars()
CVSS Score
0.0
EPSS Score
0.1%
EPSS Percentile
32th
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.
| CWE | CWE-78 |
| Vendor | radareorg |
| Product | radare2 |
| Published | Apr 15, 2026 |
| Last Updated | Apr 16, 2026 |
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Affected Versions
radareorg / radare2
0 < 6.1.4
References
blog.calif.io: https://blog.calif.io/p/mad-bugs-discovering-a-0-day-in-zero github.com: https://github.com/radareorg/radare2/issues/25752 github.com: https://github.com/radareorg/radare2/commit/5590c87deeb7eb2a106fd7aab9ca88bfeebb7397 github.com: https://github.com/radareorg/radare2/releases/tag/6.1.4 vulncheck.com: https://www.vulncheck.com/advisories/radare2-command-injection-via-pdb-parser-print-gvars
Credits
junrong of Calif