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36 lines
1.1 KiB
ReStructuredText
36 lines
1.1 KiB
ReStructuredText
8.1.1
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-----
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Security
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========
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:cve:`CVE-2021-25289`: The previous fix for :cve:`CVE-2020-35654` was insufficient
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due to incorrect error checking in ``TiffDecode.c``.
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:cve:`CVE-2021-25290`: In ``TiffDecode.c``, there is a negative-offset ``memcpy``
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with an invalid size.
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:cve:`CVE-2021-25291`: In ``TiffDecode.c``, invalid tile boundaries could lead to
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an out-of-bounds read in ``TIFFReadRGBATile``.
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:cve:`CVE-2021-25292`: The PDF parser has a catastrophic backtracking regex
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that could be used as a DOS attack.
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:cve:`CVE-2021-25293`: There is an out-of-bounds read in ``SgiRleDecode.c``,
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since Pillow 4.3.0.
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There is an exhaustion of memory DOS in the ICNS, ICO, and BLP
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container formats where Pillow did not properly check the reported
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size of the contained image. These images could cause arbitrarily
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large memory allocations. This was reported by Jiayi Lin, Luke
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Shaffer, Xinran Xie, and Akshay Ajayan of
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`Arizona State University <https://www.asu.edu/>`_.
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Other Changes
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=============
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A crash with the feature flags for libimagequant, libjpegturbo, WebP and XCB on
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unreleased Python 3.10 has been fixed (:issue:`5193`).
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