← Vulnerability feed

Vulnerability record · CVE-2022-36947 · published 18 August 2022

CVE-2022-36947: Faststone image viewer out-of-bounds write vulnerability

Faststone · Image Viewer

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

9.8 CVSS 3.1 Critical EPSS 2.8% · top 14.3% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wid.cert-bund.de/portal/wid/kurzinformationen Third Party Advisory
https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0883 Third Party Advisory
https://www.faststone.org/FSViewerDetail.htm ProductRelease NotesVendor Advisory
https://wid.cert-bund.de/portal/wid/kurzinformationen Third Party Advisory
https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0883 Third Party Advisory
https://www.faststone.org/FSViewerDetail.htm ProductRelease NotesVendor Advisory

Track CVE-2022-36947 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-1942Faststone image viewer vulnerabilityInteger overflow in FastStone Image Viewer 2.9 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code vi…EPSS 9.1%7.8CVE-2024-9114Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer GIF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execut…EPSS 0.40%7.8CVE-2024-9112Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer PSD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execut…EPSS 0.31%7.8CVE-2024-9113Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer TGA File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execut…EPSS 0.31%7.8CVE-2021-26233Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer <= 7.5 is affected by a user mode write access violation near NULL at 0x005bdfcb, triggered when a user opens or views a malfo…EPSS 1.1%7.8CVE-2021-26234Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d8a, triggered when a user opens or views a malformed CUR f…EPSS 1.1%7.8CVE-2021-26235Faststone image viewer null pointer dereference vulnerabilityFastStone Image Viewer <= 7.5 is affected by a user mode write access violation near NULL at 0x005bdfc9, triggered when a user opens or views a malfo…EPSS 1.1%7.8CVE-2021-26237Faststone image viewer out-of-bounds write vulnerabilityFastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d7d, triggered when a user opens or views a malformed CUR f…EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2022-36947), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.