{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2025-54363","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2025-08-21T15:37:24.848Z","dateReserved":"2025-07-21T00:00:00.000Z","datePublished":"2025-08-20T00:00:00.000Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","product":"Knack","vendor":"Microsoft","versions":[{"status":"affected","version":"0.12.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"CWE-1333 Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2025-08-21T15:37:24.848Z"},"references":[{"url":"https://github.com/microsoft/knack"},{"url":"https://www.vulncheck.com/advisories/microsoft-knack-python-package-regular-expression-dos"},{"url":"https://github.com/microsoft/knack/issues/281"}],"x_generator":{"engine":"enrichogram 0.0.1"},"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-20T13:37:39.030815Z","id":"CVE-2025-54363","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-08-20T13:37:53.235Z"}}]},"dataVersion":"5.1"}