{"cve":"CVE-2025-53477","nvd":{"published":"2026-01-10T10:15:50.660","modified":"2026-06-17T09:38:16.767","status":"Analyzed","description":"NULL Pointer Dereference vulnerability in Apache Nimble.\n\nMissing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference.\nThis issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low.\n\nThis issue affects Apache NimBLE: through 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-476"],"references":["https://github.com/apache/mynewt-nimble/commit/0caf9baeb271ede85fcc5237ab87ddbf938600da","https://github.com/apache/mynewt-nimble/commit/3160b8c4c7ff8db4e0f9badcdf7df684b151e077","https://lists.apache.org/thread/1dxthc132hwm2tzvjblrtnschcsbw2vo","http://www.openwall.com/lists/oss-security/2026/01/08/3"],"products":["apache:nimble"],"source":"nvd","synced_at":"2026-10-19T22:19:41.481987139+00:00"},"epss":{"cve":"CVE-2025-53477","score":0.00815,"percentile":0.57067,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}