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CVE-2025-54363

Good to know:

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Date: August 19, 2025

Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module (issue 1 of 2).

Severity Score

Related Resources (5)

https://github.com/microsoft/knack
https://github.com/microsoft/knack/issues/281
https://www.vulncheck.com/advisories/microsoft-knack-python-package-regular-expression-dos
https://nvd.nist.gov/vuln/detail/CVE-2025-54363
https://www.mend.io/vulnerability-database/CVE-2025-54363

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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Upgrade Version

Upgrade to version knack - null;knack - null

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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