VDB-237823 · CVE-2022-28071 · EUVD-2022-32556

radare2 5.4.0/5.4.1/5.4.2 r_reg_get_name_idx use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in radare2 5.4.0/5.4.1/5.4.2. It has been classified as problematic. This vulnerability affects the function r_reg_get_name_idx. This manipulation causes use after free. This vulnerability appears as CVE-2022-28071. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in radare2 5.4.0/5.4.1/5.4.2 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is the function r_reg_get_name_idx. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 08/23/2023 as 65448811e5b9582a19cf631e03cfcaa025a92ef5. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-28071 since 03/28/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 257902 (Linux Distros Unpatched Vulnerability : CVE-2022-28071), which helps to determine the existence of the flaw in a target environment.

Applying the patch 65448811e5b9582a19cf631e03cfcaa025a92ef5 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (257902) and EUVD (EUVD-2022-32556). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Programming Tool Software

Name

radare2

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 257902
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-28071

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 65448811e5b9582a19cf631e03cfcaa025a92ef5

Timelineinfo

03/28/2022 🔍
08/23/2023 +513 days 🔍
08/23/2023 +0 days 🔍
05/16/2026 +997 days 🔍

Sourcesinfo

Advisory: 65448811e5b9582a19cf631e03cfcaa025a92ef5
Status: Confirmed

CVE: CVE-2022-28071 (🔍)
GCVE (CVE): GCVE-0-2022-28071
GCVE (VulDB): GCVE-100-237823
EUVD: 🔍

Entryinfo

Created: 08/23/2023 10:54
Updated: 05/16/2026 11:22
Changes: 08/23/2023 10:54 (40), 09/16/2023 11:12 (11), 08/30/2025 19:27 (17), 05/16/2026 11:22 (1)
Complete: 🔍
Cache ID: 216::103