๐Ÿ›ก๏ธ CVE-2025-54363
๐ŸŸข CVSS 2.0 โ€” Low โœ… No Known Exploit CWE-1333 NVD
2.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. extract_full_summary_from_signature employs an inefficient regular expression pattern: "\s(:param)\s+(.+?)\s:(.*)" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI.

Details

Severity LOW
CVSS Score 2.0
CVSS Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE CWE-1333
Public Exploit โœ… No
Source NVD
Published 2025-08-20
Updated 2026-06-02
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
knack โ€” โ€”
unknown โ€” โ€”

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