VulnerabilityModified

CVE-2023-5686

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

HIGH 8.8EPSS 0.80%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.80% probability · 56th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-122, CWE-787
Affected: radare/radare2 · fedoraproject/fedora
Source: security@huntr.dev

EPSS trend

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://github.com/radareorg/radare2/commit/1bdda93e348c160c84e30da3637acef26d0348dePatch
https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0Exploit, 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/1bdda93e348c160c84e30da3637acef26d0348dePatch
https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0Exploit, 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

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.