CVE-2026-46452

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability60. percentile0.9%

Product

Apache Nimble

PublishedJul 24, 2026

First seenJul 24, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

apache nimble1.10.0 or later

Patches

github.com/apache/mynewt-nimble/commit/593f95227a4073efde840a9bb34614929dfa7ed1

Vendor advisories

lists.apache.org/thread/ym80ogxj3398khvxxogxroz4gvgw3ssg

Affected products

Product	Affected versions	Fixed in
apache nimble	v < 1.10.0	1.10.0

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