What is CVE-2019-17262?

CVE-2019-17262 is a high-severity vulnerability in Xnview, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-10-08.

How severe is CVE-2019-17262?

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

Is CVE-2019-17262 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Xnview

CVE-2019-17262

XnView Classic 2.49.1 allows a User Mode Write AV starting at Xwsq+0x0000000000001fc0.

Vulnerability class: Buffer Overflow

Published 2019-10-08 · 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: 0.004 (35.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Xnview — versions 2.49.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

linhlhq/research

References

www.xnview.com/en/xnview/ (Release Notes)
github.com/linhlhq/research/blob/master/README.md (Third Party Advisory)

Frequently asked questions

What is CVE-2019-17262?: CVE-2019-17262 is a high-severity vulnerability in Xnview, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-10-08.
How severe is CVE-2019-17262?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-17262 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.