What is CVE-2018-8839?

CVE-2018-8839 is a high-severity vulnerability in Delta Electronics Pmsoft, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2018-04-30.

How severe is CVE-2018-8839?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Delta Electronics Pmsoft

CVE-2018-8839

Delta PMSoft versions 2.10 and prior have multiple stack-based buffer overflow vulnerabilities where a .ppm file can introduce a value larger than is readable by PMSoft's fixed-length stack buffer. This can cause the buffer to be overwritten, which may allow arbitrary code execution or cause the application to crash. CVSS v3 base score: 7.1; CVSS vector string: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H. Delta Electronics recommends affected users update to at least PMSoft v2.11, which was made available as of March 22, 2018, or the latest available version.

Vulnerability class: Buffer Overflow

Published 2018-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000

Affected products

Delta Electronics Pmsoft — versions v 2.10 or prior.
Deltaww Pmsoft

Weakness classification (CWE)

References

www.securityfocus.com/bid/104013 (VDB Entry, Third Party Advisory, vdb-entry)
ics-cert.us-cert.gov/advisories/ICSA-18-116-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8839?: CVE-2018-8839 is a high-severity vulnerability in Delta Electronics Pmsoft, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2018-04-30.
How severe is CVE-2018-8839?: High severity. CVSS v3 base score is 7.8 out of 10.