Low severity3.1OSV Advisory· Published Jan 10, 2026· Updated Jun 17, 2026
CVE-2025-53470
CVE-2025-53470
Description
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.
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Affected products
4- Range: <=1.8
- Range: nimble_1_5_0_rc1_tag, nimble_1_5_0_tag, nimble_1_6_0_rc1_tag, …
Patches
Vulnerability mechanics
References
3- github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76nvdPatch
- www.openwall.com/lists/oss-security/2026/01/08/2nvdMailing ListThird Party Advisory
- lists.apache.org/thread/32sm0944dyod4sdql77stgyw9xb2msc0nvdMailing ListVendor Advisory
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