Buffer overflow in Faststone Image Viewer

CVE-2020-35843

FastStone Image Viewer 7.5 has an out-of-bounds write (via a crafted image file) at FSViewer.exe+0x956e.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (51.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-35843?
CVE-2020-35843 is a medium-severity vulnerability in Faststone Image Viewer, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2021-01-26.
How severe is CVE-2020-35843?
Medium severity. CVSS v3 base score is 5.5 out of 10.