Vulnerability · Published Oct 20, 2023 · Assigned by @huntrdev
CVE-2023-5686Heap-based Buffer Overflow in radareorg/radare2
Medium 5.1
In plain English
A medium-severity heap buffer overflow in radareorg/radare2 from radareorg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.0)5.1Medium
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2023-5686 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2023-5686 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2023-5686 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| radareorg | radareorg/radare2 | unspecified – before 5.9.0 |
Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
References
- https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0
- https://github.com/radareorg/radare2/commit/1bdda93e348c160c84e30da3637acef26d0348de
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/