CVE-2025-53470

Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

CVSS 3.1 LOWEPSS 0.3%CWE-125

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.1EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

10 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8. This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are recommended to upgrade to version 1.9, which fixes the issue.

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Apache Software Foundation · Apache Mynewt NimBLE

References

https://github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76 https://lists.apache.org/thread/32sm0944dyod4sdql77stgyw9xb2msc0 http://www.openwall.com/lists/oss-security/2026/01/08/2