CVE-2021-22945 Vulnerability Details

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CVE-2021-22945 Metadata Quick Info

CVE Published: 23/09/2021 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: hackerone | Vendor: n/a | Product: https://github.com/curl/curl
Status : PUBLISHED

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CVE-2021-22945 Description

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.

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-415
CWE Name: Double Free (CWE-415)
Source: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).