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TI-2026-33549 Aliases CVE-2026-45815GHSA-v377-9cxj-ww4r

Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler

Priority MEDIUM 41CWE-617Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-617.

Summary

Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser. Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0103 63rd 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
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
ApacheApache NimBLEup to 1.9.0—No fix listedCNA
  • Apache NimBLE VendorApache Affected up to 1.9.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*before 1.10.0VulnerableApache
  • cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:* Versions before 1.10.0 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45815
  2. 2026-10-03 Alias added: GHSA-v377-9cxj-ww4r

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-2026-33548 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
  • TI-2025-32572 Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller 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