CVE-2023-5686 Heap-based Buffer Overflow in radareorg/radare2

What is CVE-2023-5686?

CVE-2023-5686 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 20 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2023-5686?

It affects 2 products.

Products include Fedoraproject Fedora, Radare Radare2.

How do I fix CVE-2023-5686?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-5686 being exploited?

There is no known exploitation of CVE-2023-5686 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-39v7-36rj-8jh4, UBUNTU-CVE-2023-5686.