CVE-2021-32495 - CVE House
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Status published Critical CVE-2021-32495

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function....

Vulnerability Description

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from radare2

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CVE-2021-32494
Radare2 has a division by zero vulnerability in Mach-O parser's...
Critical 10

Affected Vendor

Affected Software

radare2
Vulnerable Versions:
radare2 5.3.0-git 26142

Timeline

Official Publish: July 7th, 2023
Last Modified: November 12th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-416

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact