radareorg radare2 up to 6.1.3 PDB Parser print_gvars os command injection

Summaryinfo

A vulnerability classified as critical was found in radareorg radare2 up to 6.1.3. This issue affects the function print_gvars of the component PDB Parser. Executing a manipulation can lead to os command injection. This vulnerability appears as CVE-2026-40499. The attack requires local access. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in radareorg radare2 up to 6.1.3. It has been declared as critical. This vulnerability affects the function print_gvars of the component PDB Parser. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented by Junrong. The advisory is available at blog.calif.io. This vulnerability was named CVE-2026-40499 since 04/13/2026. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 6.1.4 or 5590c87deeb7eb2a106fd7aab9ca88bfeebb7397 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-22826). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Programming Tool Software

Vendor

• radareorg

Name

• radare2

Version

• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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