CVE-2021-42340 Vulnerability Details

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CVE-2021-42340 Metadata Quick Info

CVE Published: 14/10/2021 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: apache | Vendor: Apache Software Foundation | Product: Apache Tomcat
Status : PUBLISHED

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CVE-2021-42340 Description

The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-772
CWE Name: CWE-772 Missing Release of Resource after Effective Lifetime
Source: Apache Software Foundation

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description: