CVE-2023-4322

Name: CVE-2023-4322
Creator: NVD / NIST
Published: 2023-08-14T16:15:09.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2023-4322 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Radare	Radare2	<= 5.8.8
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38

References

https://github.com/radareorg/radare2/commit/ba919adb74ac368bf76b150a00347ded78b572ddPatch
https://huntr.dev/bounties/06e2484c-d6f1-4497-af67-26549be9fffdExploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/Mailing List, Third Party Advisory
https://github.com/radareorg/radare2/commit/ba919adb74ac368bf76b150a00347ded78b572ddPatch
https://huntr.dev/bounties/06e2484c-d6f1-4497-af67-26549be9fffdExploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/Mailing List, Third Party Advisory

Timeline

Published: Aug 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4322?

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

How severe is CVE-2023-4322?

CVE-2023-4322 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4322?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4322?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST