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CVE-2021-32495

Date: July 7, 2023

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.

Language: C

Severity Score

Related Resources (5)

https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
https://nvd.nist.gov/vuln/detail/CVE-2021-32495
https://github.com/radareorg/radare2/issues/18666
https://security-tracker.debian.org/tracker/CVE-2021-32495
https://www.mend.io/vulnerability-database/CVE-2021-32495

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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