{"id":"CVE-2025-53477","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-53477","generatedAt":"2026-10-28T03:27:31.554Z","title":"NULL Pointer Dereference vulnerability in Apache Nimble.","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.","published":"2026-01-10T10:15:51.000Z","lastModified":"2026-06-17T09:38:17.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["apache/nimble"],"epss":{"score":0.00815,"percentile":0.56787,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/apache/mynewt-nimble/commit/0caf9baeb271ede85fcc5237ab87ddbf938600da","tags":["Patch"],"source":"security@apache.org"},{"url":"https://github.com/apache/mynewt-nimble/commit/3160b8c4c7ff8db4e0f9badcdf7df684b151e077","tags":["Patch"],"source":"security@apache.org"},{"url":"https://lists.apache.org/thread/1dxthc132hwm2tzvjblrtnschcsbw2vo","tags":["Mailing List","Vendor Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/01/08/3","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-53477","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}