CVE-2026-45816 json
Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request
published 3mo ago modified 16d ago also EUVD-2026-48566
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event.
This requires disabled asserts (otherwise assert would trigger before NULL dereference) and bogus (or misbehaving) controller, thus severity is low.
This issue affects Apache NimBLE: through 1.9.0.
Users are recommended to upgrade to version 1.10.0, which fixes the issue.
Patch / fix
Is CVE-2026-45816 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Apache Software Foundation Apache NimBLE
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/apache/mynewt-nimble/commit/9448c5f495eb55018121b24a9dab5305c9222ea1
patch
-
lists.apache.org
/thread/psppdk5j8jnq1m4jn96tnfofspgqvzvn
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/07/24/15
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-45816
- NVD CVE-2026-45816
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