What is CVE-2017-15768?

CVE-2017-15768 is a high-severity vulnerability in Irfanview, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-10-22.

How severe is CVE-2017-15768?

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

Buffer overflow in Irfanview

CVE-2017-15768

IrfanView version 4.50 - 64bit allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .tif file, related to "Data from Faulting Address controls Branch Selection starting at image000007f7_42060000+0x0000000000094113."

Vulnerability class: Buffer Overflow

Published 2017-10-22 · 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 (61.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% 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

Irfanview — versions 4.50

Weakness classification (CWE)

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

References

github.com/wlinzi/security_advisories/tree/master/CVE-2017-15768 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-15768?: CVE-2017-15768 is a high-severity vulnerability in Irfanview, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-10-22.
How severe is CVE-2017-15768?: High severity. CVSS v3 base score is 7.8 out of 10.