AUGUST 4, 2026
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Case File

CVE-2021-43400

CRITICAL · CVSS 9.1 EPSS 1.54%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-04 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.

CVE
CVE-2021-43400
Severity
CRITICAL
CVSS
9.1
EPSS
1.54%

Original NVD Description

An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

Related CVEs

Other vulnerabilities affecting the same vendor(s)