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TI-2026-34155 Aliases CVE-2026-46452GHSA-wfj4-rqg3-9346

Apache NimBLE: Mesh Proxy SAR reassembly unbounded append and unchecked failure

Priority LOW 32CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing broken data toward application resulting in memory pressure and unstable parsing behavior. 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 0.00908 60th 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-2026-46452
  2. 2026-10-03 Alias added: GHSA-wfj4-rqg3-9346

References

  • 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