CVE-2021-32495

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Published Jul 7, 2023 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

radare2

radare2

unaffected

Version	Status	Constraints
`radare2 5.3.0-git 26142`	affected	—

Configuration 1 [-]

cpe:2.3:a:radare:radare2:5.3.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-19341	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.769% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
https://github.com/radareorg/radare2/issues/18666

History

Nov 12, 2024 8:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Radare Radare2

Weaknesses

CWE-416

Sources

CVE record Updated: Nov 12, 2024, 7:46 PM

Status: PUBLISHED
Assigner: fedora
Published: Jul 7, 2023, 6:27 PM
Updated: Nov 12, 2024, 7:46 PM
Reserved: May 10, 2021, 6:31 PM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 11:17 PM

Updated: Aug 3, 2024, 11:17 PM

NVD Updated: Jun 17, 2026, 3:53 AM

Status: Modified
Published: Jul 7, 2023, 7:15 PM
Modified: Jun 17, 2026, 3:53 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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