{"id":"ALPINE-CVE-2020-36242","details":"In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.","modified":"2026-03-09T01:21:40.418887Z","published":"2021-02-07T20:15:12.090Z","upstream":["CVE-2020-36242"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-36242"}],"affected":[{"package":{"name":"py3-cryptography","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/py3-cryptography?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.2-r0"}]}],"versions":["0.6.1-r0","0.8.2-r0","1.0.2-r0","1.3.1-r0","1.3.2-r0","1.4-r0","1.4-r1","1.4-r2","1.5.2-r0","1.5.2-r1","1.5.3-r0","1.7.2-r0","1.7.2-r1","1.8.1-r0","1.8.1-r1","1.9-r0","2.0.2-r0","2.0.3-r0","2.0.3-r1","2.1.3-r0","2.1.4-r0","2.1.4-r1","2.2.2-r0","2.3.1-r0","2.3.1-r1","2.4.2-r0","2.4.2-r1","2.4.2-r2","2.5-r0","2.6.1-r0","2.6.1-r1","2.7-r0","2.7-r1","2.8-r0","2.8-r1","2.9-r0","2.9.2-r0","3.2.1-r0","3.3-r0","3.3.1-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json"}},{"package":{"name":"py3-cryptography","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/py3-cryptography?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.2-r0"}]}],"versions":["0.6.1-r0","0.8.2-r0","1.0.2-r0","1.3.1-r0","1.3.2-r0","1.4-r0","1.4-r1","1.4-r2","1.5.2-r0","1.5.2-r1","1.5.3-r0","1.7.2-r0","1.7.2-r1","1.8.1-r0","1.8.1-r1","1.9-r0","2.0.2-r0","2.0.3-r0","2.0.3-r1","2.1.3-r0","2.1.4-r0","2.1.4-r1","2.2.2-r0","2.3.1-r0","2.3.1-r1","2.4.2-r0","2.4.2-r1","2.4.2-r2","2.5-r0","2.6.1-r0","2.6.1-r1","2.7-r0","2.7-r1","2.8-r0","2.8-r1","2.9-r0","2.9.2-r0","3.2.1-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-36242.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}