What is CVE-2018-15176?

CVE-2018-15176 is a high-severity vulnerability in Xnview, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-08-08.

How severe is CVE-2018-15176?

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

Buffer overflow in Xnview

CVE-2018-15176

XnView 2.45 allows remote attackers to cause a denial of service (User Mode Write AV starting at MSVCR120!memcpy+0x0000000000000074 and application crash) or possibly have unspecified other impact via a crafted RLE file.

Vulnerability class: Buffer Overflow

Published 2018-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Xnview — versions 2.45

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

code610.blogspot.com/2018/08/updating-xnview.html (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-15176?: CVE-2018-15176 is a high-severity vulnerability in Xnview, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-08-08.
How severe is CVE-2018-15176?: High severity. CVSS v3 base score is 7.8 out of 10.