Heap-based Buffer Overflow in radareorg/radare2
Priority LOW 39CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
Why it matters now
EPSS 0.008 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed radareorg/radare2 (radareorg): 5.9.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| radareorg | radareorg/radare2 | before 5.9.0 | 5.9.0 | Patch available | CNA |
- radareorg/radare2 Vendorradareorg Affected before 5.9.0 Fixed in 5.9.0 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* | before 5.9.0 | Vulnerable | radareorg |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* Versions before 5.9.0 Vulnerable ·radareorg
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA radareorg/radare2 (radareorg) Fixed in 5.9.0
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5686
- 2026-10-03 Alias added: GHSA-39v7-36rj-8jh4
References
More radareorg Radare2 vulnerabilities
- TI-2023-25089 An out-of-bounds read in radare2 v.5.8.9 and before exists in the print_insn32 function… CVSS 3.1CRITICAL 9.8
- TI-2023-25088 An out-of-bounds read in radare2 v.5.8.9 and before exists in the print_insn32_fpu… CVSS 3.1CRITICAL 9.8
- TI-2021-12172 Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. CVSS 3.1CRITICAL 10.0
- TI-2026-07640 radare2 6.1.5 Use-After-Free via gdbr_pids_list() CVSS 4.0HIGH 8.7
- TI-2026-07639 radare2 6.1.5 Use-After-Free via gdbr_threads_list() CVSS 4.0HIGH 8.7
- TI-2023-03993 Heap-based Buffer Overflow in radareorg/radare2 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-5686 · CVE Program
- CVE-2023-5686 · NVD
- FIRST EPSS
- GHSA-39v7-36rj-8jh4 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5686 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences