Buffer overflow in Faststone Image Viewer

CVE-2018-11707

FastStone Image Viewer 6.2 has a User Mode Read and Execute AV at 0x0057898e, triggered when the user opens a malformed JPEG file that is mishandled by FSViewer.exe. Attackers could exploit this issue for DoS (Access Violation) or possibly unspecified other impact.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (54.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-11707?
CVE-2018-11707 is a high-severity vulnerability in Faststone Image Viewer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-06-20.
How severe is CVE-2018-11707?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-11707 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.