What is CVE-2019-17257?

CVE-2019-17257 is a medium-severity vulnerability in Irfanview, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2019-10-08.

How severe is CVE-2019-17257?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2019-17257 known to be exploited?

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

Vulnerability in Irfanview

CVE-2019-17257

IrfanView 4.53 allows a Exception Handler Chain to be Corrupted starting at EXR!ReadEXR+0x000000000002af80.

Published 2019-10-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Irfanview — versions 4.53

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

linhlhq/research

References

www.irfanview.com/main_history.htm (Release Notes, Vendor Advisory)
github.com/linhlhq/research/blob/master/README.md (Third Party Advisory)

Frequently asked questions

What is CVE-2019-17257?: CVE-2019-17257 is a medium-severity vulnerability in Irfanview, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2019-10-08.
How severe is CVE-2019-17257?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-17257 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.