CVE-2021-26236

High

Description

FastStone Image Viewer v.<= 7.5 is affected by a Stack-based Buffer Overflow at 0x005BDF49, affecting the CUR file parsing functionality (BITMAPINFOHEADER Structure, 'BitCount' file format field), that will end up corrupting the Structure Exception Handler (SEH). Attackers could exploit this issue to achieve code execution when a user opens or views a malformed/specially crafted CUR file.

SeverityHigh
CVSS7.8
Exploit probability—
ProductFaststone Image Viewer
PublishedMar 18, 2021
First seenMar 18, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
faststone image_viewerv ≤ 7.5—

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