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TI-2025-33415 Aliases CVE-2025-53470GHSA-p54q-9gfq-fvp4

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

Priority LOW 15CWE-125Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00346 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Mynewt NimBLEup to 1.8—No fix listedCNA
  • Apache Mynewt NimBLE VendorApache Affected up to 1.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*before 1.9.0VulnerableApache
  • cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:* Versions before 1.9.0 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53470
  2. 2026-10-03 Alias added: GHSA-p54q-9gfq-fvp4

References

Patch 1

Advisory 2

  • TI-2024-16263 Apache NimBLE: Denial of service in NimBLE Bluetooth stack CVSS 3.1HIGH 7.5
  • TI-2026-33550 Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request CVSS 3.1HIGH 7.5
  • TI-2026-33549 Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler CVSS 3.1HIGH 7.5
  • TI-2026-33548 Apache NimBLE: Incorrect data validation in BASS add/modify source operation CVSS 3.1HIGH 8.8
  • TI-2024-34484 Apache NimBLE: Lack of input sanitization leading to out-of-bound reads in Number of Completed Packets HCI event handler CVSS 3.1HIGH 7.5
  • TI-2025-33422 Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer CVSS 3.1HIGH 7.5
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences