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[Japanese]
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JVNDB-2026-000122
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Multiple vulnerabilities in CorvusSKK
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CorvusSKK provided by SASAKI Nobuyuki contains multiple vulnerabilities listed below:- Code Injection (CWE-94) - CVE-2026-76148
- Integer Overflow or Wraparound (CWE-190) - CVE-2026-76149
Ryo Shimada of Powder Keg Technologies, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
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CVSS v4 Severity
Base Metrics: 8.4 (High) [IPA Score]
- Access Vector (AV): Local
- Attack Complexity (AC): Low
- Attack Requirements (AT): None
- Privileges Required (PR): None
- User Interaction (UI): Active
Vulnerable System Impact
- Confidentiality Impact (VC): High
- Integrity Impact (VI): High
- Availability Impact (VA): High
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): None
- Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-76148
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CVSS v3 Severity
Base Metrics: 4.4(Medium) [IPA Score]
- Access Vector : Local
- Attack Complexity : Low
- Privileges Required : None
- User Interaction : Required
- Scope : Unchanged
- Confidentiality Impact : None
- Integrity Impact : Low
- Availability Impact : Low
CVSS v4 Severity
Base Metrics: 4.6 (Medium) [IPA Score]
- Access Vector (AV): Local
- Attack Complexity (AC): Low
- Attack Requirements (AT): None
- Privileges Required (PR): None
- User Interaction (UI): Active
Vulnerable System Impact
- Confidentiality Impact (VC): None
- Integrity Impact (VI): Low
- Availability Impact (VA): Low
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): None
- Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-76149
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SASAKI Nobuyuki
- CorvusSKK versions prior to 3.3.4
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- Arbitrary code may be executed on the affected product (CVE-2026-76148).
- Malicious data may be written to a legitimate dictionary file (CVE-2026-76149).
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[Update the Software]
Update the software to the latest version according to the information provided by the developer.
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SASAKI Nobuyuki
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- Code Injection(CWE-94) [IPA Evaluation]
- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2026-76148
- CVE-2026-76149
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- JVN : JVN#18496672
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- [2026/08/26]
Web page was published
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