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LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

🗓️ 17 Feb 2022 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy for a custom tag with 0x0200 as the second DE word.

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Rows per page
Vulners
Node
microsoftcbl2_libtiff_4.3.0-2Range<4.3.0-2

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17 Feb 2022 08:00Current
7.1High risk
Vulners AI Score7.1
CVSS 24.3
CVSS 3.15.5
EPSS0.00062
libtiffout of bounds readTIFFmemcpytif unixcustom tagsecond DE word
1