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

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00134.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SASAKI Nobuyuki CorvusSKK unaffected
Version Status Constraints
0 affected < 3.3.4

No data.

No data.

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Vendors Products
Sasaki Nobuyuki Subscribe
Corvusskk Subscribe

Project Subscriptions

Vendors Products
Sasaki Nobuyuki Subscribe
Corvusskk Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/nathancorvussolis/corvusskk/releases/tag/3.3.4 cve-icon cve-icon
https://jvn.jp/en/jp/JVN18496672/ cve-icon cve-icon
History

Fri, 28 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Sasaki Nobuyuki
Sasaki Nobuyuki corvusskk
Vendors & Products Sasaki Nobuyuki
Sasaki Nobuyuki corvusskk

Wed, 26 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 26 Aug 2026 07:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow Enabling Malicious Write to Dictionary File in CorvusSKK

Wed, 26 Aug 2026 05:15:00 +0000

Type Values Removed Values Added
Description CorvusSKK contains an integer overflow vulnerability, which may allow malicious data to be written to a dictionary file.
Weaknesses CWE-190
References
Metrics cvssV3_0

{'score': 4.4, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-08-26T14:08:41.372Z

Reserved: 2026-08-19T05:08:38.977Z

Link: CVE-2026-76149

cve-icon Vulnrichment

Updated: 2026-08-26T14:08:38.082Z

cve-icon NVD

Status : Deferred

Published: 2026-08-26T05:18:19.103

Modified: 2026-08-28T16:09:10.947

Link: CVE-2026-76149

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T20:33:54Z

Weaknesses