Read the docs
TI-2026-32534 Aliases CVE-2026-44634

Stack buffer overflows in SimpleBLE

Priority MEDIUM 44CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

SimpleBLE is a cross-platform library and bindings for Bluetooth Low Energy (BLE). Prior to version 0.14.0, there are multiple stack-based buffer overflow vulnerabilities in SimpleBLE. There is a stack overflow vulnerability in the dongl backend’s Protocol::simpleble_write function (local, caller-controlled input). A stack overflow vulnerability when processing manufacturer-specific data in BLE advertisements (remote, no pairing or connection required). Lastly, a stack overflow vulnerability when processing service data in BLE advertisements (remote, no pairing or connection required). This issue has been patched in version 0.14.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00333 26th percentileScored 2026-11-07
Fix Fixed simpleble (simpleble): 0.14.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
simpleblesimpleblebefore 0.14.00.14.0Patch availableCNA
  • simpleble Vendorsimpleble Affected before 0.14.0 Fixed in 0.14.0 Patch available CNA

Remediation

  • Fix · CNA simpleble (simpleble) Fixed in 0.14.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-44634

References

Sources

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