What is CVE-2018-10387?

CVE-2018-10387 is a critical-severity vulnerability in Open Tftp Server Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-12-23.

How severe is CVE-2018-10387?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Open Tftp Server Project

CVE-2018-10387

Heap-based overflow vulnerability in TFTP Server SP 1.66 and earlier allows remote attackers to perform a denial of service or possibly execute arbitrary code via a long TFTP error packet, a different vulnerability than CVE-2008-2161.

Vulnerability class: Buffer Overflow

Published 2019-12-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Open Tftp Server Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

sourceforge.net/p/tftp-server/discussion/550564/thread/a586ce62/ (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10387?: CVE-2018-10387 is a critical-severity vulnerability in Open Tftp Server Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-12-23.
How severe is CVE-2018-10387?: Critical severity. CVSS v3 base score is 9.8 out of 10.