sezero libmikmod up to 3.3.13 Oktalyzer Loader OKT_doPBOD integer overflow

Summaryinfo

A vulnerability classified as critical was found in sezero libmikmod up to 3.3.13. This vulnerability affects the function OKT_doPBOD of the component Oktalyzer Loader. Executing a manipulation can lead to integer overflow. The identification of this vulnerability is CVE-2026-105839. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in sezero libmikmod up to 3.3.13 and classified as critical. This vulnerability affects the function OKT_doPBOD of the component Oktalyzer Loader. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.

The advisory is available at github.com. This vulnerability was named CVE-2026-105839 since 10/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 3.3.14 eliminates this vulnerability.

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Productinfo

Vendor

• sezero

Name

• libmikmod

Version

• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4
• 3.3.5
• 3.3.6
• 3.3.7
• 3.3.8
• 3.3.9
• 3.3.10
• 3.3.11
• 3.3.12
• 3.3.13

CPE 2.3info

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CPE 2.2info

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

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