Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing broken data toward application… (CVE-2026-46452)
An improper input validation vulnerability exists in Apache NimBLE through version 1.9.0 in the Mesh Proxy SAR reassembly component. This flaw can cause broken data to be passed to the application, resulting in memory pressure and unstable parsing behavior. The issue is fixed in version 1.10.0.
AI Analysis
Technical Summary
CVE-2026-46452 is an input validation vulnerability in Apache NimBLE's Mesh Proxy SAR reassembly component affecting versions prior to 1.10.0. Improper validation allows malformed data to be passed to the application layer, potentially causing memory pressure and unstable parsing. This vulnerability does not impact confidentiality or integrity but affects availability due to possible application instability. The vulnerability is classified under CWE-20 (Improper Input Validation).
Potential Impact
The vulnerability can lead to memory pressure and unstable parsing behavior in the affected application, potentially causing denial of service or degraded availability. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Upgrade Apache NimBLE to version 1.10.0 or later, where this vulnerability has been fixed. No other mitigation is indicated.
Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing broken data toward application… (CVE-2026-46452)
Description
An improper input validation vulnerability exists in Apache NimBLE through version 1.9.0 in the Mesh Proxy SAR reassembly component. This flaw can cause broken data to be passed to the application, resulting in memory pressure and unstable parsing behavior. The issue is fixed in version 1.10.0.
CVSS v3.1
Affected software
pkg:github/apache/mynewt-nimbleRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46452 is an input validation vulnerability in Apache NimBLE's Mesh Proxy SAR reassembly component affecting versions prior to 1.10.0. Improper validation allows malformed data to be passed to the application layer, potentially causing memory pressure and unstable parsing. This vulnerability does not impact confidentiality or integrity but affects availability due to possible application instability. The vulnerability is classified under CWE-20 (Improper Input Validation).
Potential Impact
The vulnerability can lead to memory pressure and unstable parsing behavior in the affected application, potentially causing denial of service or degraded availability. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Upgrade Apache NimBLE to version 1.10.0 or later, where this vulnerability has been fixed. No other mitigation is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wfj4-rqg3-9346
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-46452"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a6542289c2644c7f8089fcc
Added to database: 07/25/2026, 23:09:28 UTC
Last enriched: 07/26/2026, 00:23:03 UTC
Last updated: 07/26/2026, 05:51:53 UTC
Views: 7
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