CVE-2020-10378

Impact

In `libImaging/PcxDecode.c` in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where `state->shuffle` is instructed to read beyond `state->buffer`.

Affected packages

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• GitHub advisory
• https://github.com/python-pillow/Pillow/commit/6a83e4324738bb0452fbe8074a995b1c73f08de7#diff-9478f2787e3ae9668a15123b165c23ac
• https://github.com/python-pillow/Pillow/commits/master/src/libImaging
• https://github.com/python-pillow/Pillow/pull/4538
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
• https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
• https://usn.ubuntu.com/4430-1/
• https://usn.ubuntu.com/4430-2/
• https://github.com/advisories/GHSA-3xv8-3j54-hgrp
• https://nvd.nist.gov/vuln/detail/CVE-2020-10378
• https://github.com/pypa/advisory-db/blob/7872b0a91b4d980f749e6d75a81f8cc1af32829f/vulns/pillow/PYSEC-2020-77.yaml
• https://pillow.readthedocs.io/en/stable/releasenotes/6.2.3.html
• https://github.com/python-pillow/Pillow/issues/4750
• https://github.com/python-pillow/Pillow/commit/124f4bb591e16212605d0e41c413ed53e242cba2
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
• https://usn.ubuntu.com/4430-1
• https://usn.ubuntu.com/4430-2
• https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-77.yaml