Buffer overflow in Irfanview

CVE-2019-17246

IrfanView 4.53 allows a User Mode Write AV starting at WSQ!ReadWSQ+0x000000000000258c.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Irfanview — versions 4.53
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

linhlhq/research

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-17246?: CVE-2019-17246 is a high-severity vulnerability in Irfanview, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-10-08.
How severe is CVE-2019-17246?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-17246 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.