id: PYSEC-2020-31 details: An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. In cases where a memcached backend does not perform key validation, passing malformed cache keys could result in a key collision, and potential data leakage. affected: - package: name: django ecosystem: PyPI purl: pkg:pypi/django ranges: - type: ECOSYSTEM events: - introduced: '2.2' - fixed: 2.2.13 - introduced: '3.0' - fixed: 3.0.7 versions: - '2.2' - 2.2.1 - 2.2.2 - 2.2.3 - 2.2.4 - 2.2.5 - 2.2.6 - 2.2.7 - 2.2.8 - 2.2.9 - 2.2.10 - 2.2.11 - 2.2.12 - '3.0' - 3.0.1 - 3.0.2 - 3.0.3 - 3.0.4 - 3.0.5 - 3.0.6 references: - type: ARTICLE url: https://www.djangoproject.com/weblog/2020/jun/03/security-releases/ - type: WEB url: https://docs.djangoproject.com/en/3.0/releases/security/ - type: WEB url: https://groups.google.com/d/msg/django-announce/pPEmb2ot4Fo/X-SMalYSBAAJ - type: WEB url: https://usn.ubuntu.com/4381-1/ - type: WEB url: https://usn.ubuntu.com/4381-2/ - type: ADVISORY url: https://security.netapp.com/advisory/ntap-20200611-0002/ - type: WEB url: https://lists.debian.org/debian-lts-announce/2020/06/msg00016.html - type: ADVISORY url: https://www.debian.org/security/2020/dsa-4705 - type: WEB url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4A2AP4T7RKPBCLTI2NNQG3T6MINDUUMZ/ - type: WEB url: https://www.oracle.com/security-alerts/cpujan2021.html - type: ADVISORY url: https://github.com/advisories/GHSA-wpjr-j57x-wxfw aliases: - CVE-2020-13254 - GHSA-wpjr-j57x-wxfw modified: '2021-01-20T15:15:00Z' published: '2020-06-03T14:15:00Z'