What’s Vulnerable › Vulnerabilities

CVE-2021-32613

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-14 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Fedoraproject Fedora: 33, 34
• radareorg/radare2: through 5.3.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1959939
• https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
• https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
• https://github.com/radareorg/radare2/issues/18666
• https://github.com/radareorg/radare2/issues/18667
• https://github.com/radareorg/radare2/issues/18679
• 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=1959939
• https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
• https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
• https://github.com/radareorg/radare2/issues/18666

Get alerted when CVE-2021-32613 or the next vulnerability affects your stack