nimble vulnerabilities and fixes
Recent CVEs affecting nimble, with upgrade or downgrade steps. 6 tracked.
nimble has 6 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 6. Most recent: 2026-07-24. Highest priority: CVE-2026-45815 (score 52/100).
- CVE-2026-45815 HIGH 7.5 UPGRADE Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (B
- CVE-2026-45816 HIGH 7.5 UPGRADE NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event. This requires disa
- CVE-2026-45813 HIGH 8.8 UPGRADE Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Impro
- CVE-2026-46452 MEDIUM 5.3 UPGRADE Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing
- CVE-2026-45811 HIGH 7.5 UPGRADE Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE. The HCI
- CVE-2026-45812 MEDIUM 6.5 UPGRADE Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report
FAQ
How do I fix nimble vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is nimble being exploited right now?
None of the tracked nimble CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which nimble CVE should I patch first?
CVE-2026-45815 currently ranks highest (52/100): Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (B.