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High severity7.8NVD Advisory· Published Mar 18, 2021· Updated Jun 17, 2026

CVE-2021-26233

CVE-2021-26233

Description

FastStone 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 malformed CUR file that is mishandled by FSViewer.exe. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • FastStone/FastStone Image Viewerdescription
  • Faststone/Image Viewerllm-fuzzy2 versions
    <=7.5+ 1 more
    • (no CPE)range: <=7.5
    • cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*range: <=7.5

Patches

Vulnerability mechanics

References

1

News mentions

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