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  5. CVE-2020-10378

CVE-2020-10378: Out-of-bounds read in Pillow

November 3, 2021 (updated October 9, 2024)

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.

References

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

Code Behaviors & Features

Detect and mitigate CVE-2020-10378 with GitLab Dependency Scanning

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Affected versions

All versions before 7.1.0

Fixed versions

  • 7.1.0

Solution

Upgrade to version 7.1.0 or above.

Impact 5.5 MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-125: Out-of-bounds Read

Source file

pypi/Pillow/CVE-2020-10378.yml

Spotted a mistake? Edit the file on GitLab.

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