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In AdvanceCOMP 2.1 png_compress in pngex.cc in advpng has an integer overflow upon encountering an invalid PNG size which results in an attempted memcpy to write into a buffer that is too small. (There is also a heap-based buffer over-read.)

🗓️ 16 Dec 2021 00:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

AdvanceCOMP 2.1 png_compress overflows on invalid PNG size, causing unsafe memcpy and a heap overread.

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25 May 2023 00:00Current
7High risk
Vulners AI Score7
CVSS 26.8
CVSS 3.17.8
EPSS0.00312
2