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CVE-2021-3941 In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 - chroma.white.x -…
Description
In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 - chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition which could affect the availability of programs linked with OpenEXR.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| OpenEXR | Versions not published |
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CVE-2021-20298
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CVE-2021-20304
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CVE-2021-3933
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits
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CVE-2021-20299
A flaw was found in OpenEXR's Multipart input file functionality
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