CVE-2021-32613

Name: CVE-2021-32613
Creator: NVD / NIST
Published: 2021-05-14T13:15:07.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2021-32613 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Radare	Radare2	<= 5.3.0
Fedoraproject	Fedora	33
Fedoraproject	Fedora	34

References

https://bugzilla.redhat.com/show_bug.cgi?id=1959939Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05Patch, Third Party Advisory
https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18666Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18667Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18679Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3LPB5VGCIA7WA55FSB3YZQFUGZKWD7O/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3S7JB46PONPHXZHIMR2XDPLGJCN5ZIX/
https://bugzilla.redhat.com/show_bug.cgi?id=1959939Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05Patch, Third Party Advisory
https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18666Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18667Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/radareorg/radare2/issues/18679Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3LPB5VGCIA7WA55FSB3YZQFUGZKWD7O/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3S7JB46PONPHXZHIMR2XDPLGJCN5ZIX/

Timeline

Published: May 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32613?

In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.

How severe is CVE-2021-32613?

CVE-2021-32613 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32613?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32613?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST