CVE-2022-36947
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack...
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
- Record
CVE-2022-36947- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
- Record
CVE-2022-36947- Updated
- 2026-11-02
EUVDEUVD-2022-39604 No score
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
- Record
EUVD-2022-39604- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-79mp-9mjj-qfv3
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack...
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
- Record
GHSA-79mp-9mjj-qfv3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-36947 is a critical vulnerability (CVSS 9.8) in Faststone Image Viewer, published August 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.03%, the 87th percentile. No source names a fixed version.