SASAKI Nobuyuki CorvusSKK up to 3.3.3 integer overflow

Summaryinfo

A vulnerability classified as problematic was found in SASAKI Nobuyuki CorvusSKK up to 3.3.3. This impacts an unknown function. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2026-76149. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in SASAKI Nobuyuki CorvusSKK up to 3.3.3. This vulnerability affects an unknown function. 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 integrity, and availability. CVE summarizes:

CorvusSKK contains an integer overflow vulnerability, which may allow malicious data to be written to a dictionary file.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-76149 since 08/19/2026. 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. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.3.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• SASAKI Nobuyuki

Name

• CorvusSKK

Version

• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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