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CVE-2020-5312: PCX P mode buffer overflow in Pillow

November 3, 2021 (updated October 8, 2024)

libImaging/PcxDecode.c in Pillow before 6.2.2 has a PCX P mode buffer overflow.

References

  • access.redhat.com/errata/RHSA-2020:0566
  • access.redhat.com/errata/RHSA-2020:0578
  • access.redhat.com/errata/RHSA-2020:0580
  • access.redhat.com/errata/RHSA-2020:0681
  • access.redhat.com/errata/RHSA-2020:0683
  • access.redhat.com/errata/RHSA-2020:0694
  • github.com/advisories/GHSA-p49h-hjvm-jg3h
  • github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-83.yaml
  • github.com/pypa/advisory-db/blob/7872b0a91b4d980f749e6d75a81f8cc1af32829f/vulns/pillow/PYSEC-2020-83.yaml
  • github.com/python-pillow/Pillow
  • github.com/python-pillow/Pillow/commit/93b22b846e0269ee9594ff71a72bec02d2bea8fd
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MMU3WT2X64GS5WHDPKKC2WZA7UIIQ3A
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P
  • nvd.nist.gov/vuln/detail/CVE-2020-5312
  • pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html
  • usn.ubuntu.com/4272-1
  • www.debian.org/security/2020/dsa-4631

Code Behaviors & Features

Detect and mitigate CVE-2020-5312 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 6.2.2

Fixed versions

  • 6.2.2

Solution

Upgrade to version 6.2.2 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Source file

pypi/Pillow/CVE-2020-5312.yml

Spotted a mistake? Edit the file on GitLab.

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