What is CVE-2019-1010039?

CVE-2019-1010039 is a critical-severity vulnerability in Ulaunchelf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-15.

How severe is CVE-2019-1010039?

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

Buffer overflow in Ulaunchelf

CVE-2019-1010039

uLaunchELF < commit 170827a is affected by: Buffer Overflow. The impact is: Possible code execution and denial of service. The component is: Loader program (loader.c) overly trusts the arguments provided via command line.

Vulnerability class: Buffer Overflow

Published 2019-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.8th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Ulaunchelf — versions < commit 170827a
Ulaunchelf Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/AKuHAK/uLaunchELF/issues/14 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-1010039?: CVE-2019-1010039 is a critical-severity vulnerability in Ulaunchelf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-15.
How severe is CVE-2019-1010039?: Critical severity. CVSS v3 base score is 9.8 out of 10.