CVE-2023-47016 Memory corruption in n/a

What is CVE-2023-47016?

CVE-2023-47016 is a high-severity memory corruption vulnerability in Radare Radare2, published on 22 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

radare2 5.8.9 has an out-of-bounds read in r_bin_object_set_items in libr/bin/bobj.c, causing a crash in r_read_le32 in libr/include/r_endian.h.

Weakness: CWE-787

Which versions are affected by CVE-2023-47016?

It affects 1 product.

Products include Radare Radare2.

How do I fix CVE-2023-47016?

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-2023-47016 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-47016 exists.

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-xqp4-mm4v-p6r4, MGASA-2024-0298, UBUNTU-CVE-2023-47016.