CVE-2022-36947 json
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
published 2022-08-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-39604
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow.
Patch / fix
- faststone image_viewer 7.6
Exploit prediction
3.03% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
faststone.org
/FSViewerDetail.htm
product, release-notes, vendor-advisory
-
wid.cert-bund.de
/portal/wid/kurzinformationen
third-party-advisory
-
wid.cert-bund.de
/portal/wid/securityadvisory?name=WID-SEC-2022-0883
third-party-advisory
Sources
- CVE List CVE-2022-36947
- NVD CVE-2022-36947
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.