CVE-2026-45813

Summary

Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service  "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read.

This can be triggered by nearby devices over Bluetooth connection, however pairing is required prior to accessing BASS service, which depending on device configuration may or may not require user action.

This issue affects Apache NimBLE: through 1.9.0.

Users are recommended to upgrade to version 1.10.0, which fixes the issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache NimBLE0 <= 1.9.0affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds Write
  • CWE-191: CWE-191 Integer Underflow (Wrap or Wraparound)

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References