{"id":"CVE-2025-4437","revision":"c6216bea9d1e4cf0b87da7e3aadb12d5","records":[{"revision":"c6216bea9d1e4cf0b87da7e3aadb12d5","observedAt":"2026-10-25T02:24:54.05+00:00","statement":{"source":"nvd","id":"CVE-2025-4437","aliases":[],"title":"There's a vulnerability in the CRI-O application where when container is launched with securityContext.runAsUser specifying a non-existent user, CRI-O attempts to create the user, reading the container's entire /etc/passwd file into memory.…","description":"There's a vulnerability in the CRI-O application where when container is launched with securityContext.runAsUser specifying a non-existent user, CRI-O attempts to create the user, reading the container's entire /etc/passwd file into memory. If this file is excessively large, it can cause the a high memory consumption leading applications to be killed due to out-of-memory. As a result a denial-of-service can be achieved, possibly disrupting other pods and services running in the same host.","state":0,"publishedAt":"2025-08-20T13:15:28.673+00:00","modifiedAt":"2026-09-26T00:10:00.127+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secalert@redhat.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","score":5.7,"severity":"MEDIUM"}],"references":["https://access.redhat.com/security/cve/CVE-2025-4437","https://bugzilla.redhat.com/show_bug.cgi?id=2375084"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-4437","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-770"],"productCriteria":[],"sourceDates":{"published":"2025-08-20T13:15:28.673","lastModified":"2026-09-26T00:10:00.127"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-4437","identifiers":["CVE-2025-4437"]},"retained":false,"historicalAffected":[]}],"coverage":[]}