CVE-2021-32613 Use after free in radare2

What is CVE-2021-32613?

CVE-2021-32613 is a medium-severity use after free vulnerability in Fedoraproject Fedora, published on 14 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-415, CWE-416

Which versions are affected by CVE-2021-32613?

It affects 2 products.

Products include Fedoraproject Fedora, Radare Radare2.

How do I fix CVE-2021-32613?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-32613 being exploited?

There is no known exploitation of CVE-2021-32613 in the wild and no public exploit code.

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• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mw5r-3vx4-h9cp, UBUNTU-CVE-2021-32613.