CVE-2026-46452: CWE-20 Improper Input Validation in Apache Software Foundation Apache NimBLE
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.
AI Analysis
Technical Summary
CVE-2026-46452 is an improper input validation vulnerability (CWE-20) in Apache NimBLE's Mesh Proxy SAR reassembly. The vulnerability allows malformed input to cause memory pressure and unstable parsing, potentially impacting application stability. This affects all Apache NimBLE versions before 1.10.0. The vendor recommends upgrading to version 1.10.0 to remediate the issue.
Potential Impact
The vulnerability does not affect confidentiality or integrity but can cause availability issues due to memory pressure and unstable parsing behavior in affected Apache NimBLE versions. This may lead to application instability or crashes.
Mitigation Recommendations
Users should upgrade Apache NimBLE to version 1.10.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
CVE-2026-46452: CWE-20 Improper Input Validation in Apache Software Foundation Apache NimBLE
Description
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.
CVSS v3.1
Score 5.3medium
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 improper input validation vulnerability (CWE-20) in Apache NimBLE's Mesh Proxy SAR reassembly. The vulnerability allows malformed input to cause memory pressure and unstable parsing, potentially impacting application stability. This affects all Apache NimBLE versions before 1.10.0. The vendor recommends upgrading to version 1.10.0 to remediate the issue.
Potential Impact
The vulnerability does not affect confidentiality or integrity but can cause availability issues due to memory pressure and unstable parsing behavior in affected Apache NimBLE versions. This may lead to application instability or crashes.
Mitigation Recommendations
Users should upgrade Apache NimBLE to version 1.10.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-14T07:13:57.754Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a63602d9c2644c7f8f15038
Added to database: 07/24/2026, 12:53:01 UTC
Last enriched: 07/31/2026, 15:11:35 UTC
Last updated: 09/07/2026, 10:52:09 UTC
Views: 76
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