CVE-2023-4322
CWE-122Published: August 14, 2023· Updated: Jun 17, 2026
Official Description
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
Risk Analysis
A heap-based buffer overflow in radare2 allows remote attackers to trigger memory corruption and potentially execute arbitrary code. The critical CVSS score reflects the high risk of this vulnerability.
No public exploit is known, and it is not in the CISA KEV catalog. It is remotely exploitable with low attack complexity.
Update radare2 to version 5.9.0 or later.
Technical Analysis
CVE-2023-4322 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
Related CVEs (CWE-122)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-4322 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts