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Vulnerability record · CVE-2018-1000517 · published 26 June 2018

CVE-2018-1000517: Busybox classic buffer overflow vulnerability

Busybox · Busybox

BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e contains a Buffer Overflow vulnerability in Busybox wget that can result in heap buffer overflow. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in after commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e.

9.8 CVSS 3.1 Critical EPSS 33% · top 1.7% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 7.5
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e contains a Buffer Overflow vulnerability in Busybox wget that can result in heap buffer overflow. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in after commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3935-1/ Third Party Advisory
https://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3935-1/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1000517), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.