rizin Binarygets uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in rizin (version now known). This issue affects some unknown processing of the component Binarygets Handler. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. Using CWE to declare the problem leads to CWE-824. The product accesses or uses a pointer that has not been initialized. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.

The weakness was presented 08/26/2022 as 2015. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-4022 since 11/25/2021. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-207921, VDB-207975, VDB-207976 and VDB-207977 for similar entries.



CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: Uninitialized pointer
CWE: CWE-824 / CWE-908

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


11/25/2021 🔍
08/26/2022 +273 days 🔍
08/26/2022 +0 days 🔍
10/02/2022 +37 days 🔍


Advisory: 2015
Status: Confirmed

CVE: CVE-2021-4022 (🔍)
See also: 🔍


Created: 08/26/2022 09:48 AM
Updated: 10/02/2022 09:31 AM
Changes: 08/26/2022 09:48 AM (36), 10/02/2022 09:31 AM (9)
Complete: 🔍
Cache ID: 44:673:40


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