Buffer overflow in Faststone Image Viewer

CVE-2022-36947

Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-36947?
CVE-2022-36947 is a critical-severity vulnerability in Faststone Image Viewer, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-08-18.
How severe is CVE-2022-36947?
Critical severity. CVSS v3 base score is 9.8 out of 10.