CVE-2022-1244 heap-buffer-overflow in radareorg/radare2

What is CVE-2022-1244?

CVE-2022-1244 is a high-severity memory corruption vulnerability in Radare Radare2, published on 5 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

heap-buffer-overflow in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of inducing denial of service.

Weakness: CWE-122

Which versions are affected by CVE-2022-1244?

It affects 1 product.

Products include Radare Radare2.

How do I fix CVE-2022-1244?

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-2022-1244 being exploited?

There is no known exploitation of CVE-2022-1244 in the wild and no public exploit code.

Other vulnerabilities in Radare Radare2

• CVE-2025-1864 Buffer Overflow and Potential Code Execution in Radare2 Critical 10.0
• CVE-2025-1744 Out-of-bounds Write in radare2 Critical 10.0
• CVE-2021-32494 Denial of service in radare2 Critical 10.0
• CVE-2021-32495 Use after free in radare2 Critical 10.0
• CVE-2024-29646 Memory corruption in n/a Critical 9.8

All Radare Radare2 vulnerabilities

Sources

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

Also known as GHSA-pm2f-322j-vg72, UBUNTU-CVE-2022-1244.