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Vulnerability record · CVE-2023-4322 · published 14 August 2023
CVE-2023-4322: Radare2 heap-based buffer overflow vulnerability
Radare · Radare2
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
9.8 CVSS 3.1 Critical EPSS 0.95% · top 40.5% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD
Description
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://github.com/radareorg/radare2/commit/ba919adb74ac368bf76b150a00347ded78b572dd | Patch |
| https://huntr.dev/bounties/06e2484c-d6f1-4497-af67-26549be9fffd | ExploitPatchThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/64KUV6OGEVQ75QOV35PUVVDOJ | Mailing ListThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/SOZ6XCADVAPAIHMVSV3FUAN74 | Mailing ListThird Party Advisory |
| https://github.com/radareorg/radare2/commit/ba919adb74ac368bf76b150a00347ded78b572dd | Patch |
| https://huntr.dev/bounties/06e2484c-d6f1-4497-af67-26549be9fffd | ExploitPatchThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/64KUV6OGEVQ75QOV35PUVVDOJ | Mailing ListThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/SOZ6XCADVAPAIHMVSV3FUAN74 | Mailing ListThird Party Advisory |
Track CVE-2023-4322 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2023-4322), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
