Home/CVE/Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memo
CVE

CVE-2025-53470

Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memo

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.

LOW · CVSS 3.1 EPSS 0.00026
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
apache nimble< 1.9.0
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jan 2026 · 10:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/apache/mynewt-nimble/commit/b973df0c6cf7b30efbf8eb2cafdc1ee843464b76Patch
https://lists.apache.org/thread/32sm0944dyod4sdql77stgyw9xb2msc0Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/08/2Mailing ListThird Party Advisory
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