CVE-2026-76149
Received Received - Intake

Integer Overflow in CorvusSKK Dictionary File

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: JPCERT/CC

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

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
CVE-2026-76149
EUVD
EUVD-2026-66245

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
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 occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

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Executive Summary

CorvusSKK has an integer overflow vulnerability that could allow attackers to write malicious data into a dictionary file by exploiting improper handling of integer values.

Impact Analysis

This vulnerability may allow attackers to corrupt or manipulate dictionary files used by CorvusSKK, potentially leading to incorrect text input or system instability.

Mitigation Strategies

Update CorvusSKK to the latest version to address the integer overflow vulnerability. Monitor dictionary file writes for unexpected changes or large data entries.

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