CVE-2026-46452 json
Apache NimBLE: Mesh Proxy SAR reassembly unbounded append and unchecked failure
published 3mo ago modified 16d ago also EUVD-2026-48567
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
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.
Patch / fix
- apache nimble 1.10.0
Is CVE-2026-46452 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
0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected products
- Apache Software Foundation Apache NimBLE
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/apache/mynewt-nimble/commit/593f95227a4073efde840a9bb34614929dfa7ed1
patch
-
lists.apache.org
/thread/ym80ogxj3398khvxxogxroz4gvgw3ssg
vendor-advisory, mailing-list, patch
-
openwall.com
/lists/oss-security/2026/07/24/16
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-46452
- NVD CVE-2026-46452
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