{"id":"ALPINE-CVE-2023-43804","details":"urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user. However, it is possible for a user to specify a `Cookie` header and unknowingly leak information via HTTP redirects to a different origin if that user doesn't disable redirects explicitly. This issue has been patched in urllib3 version 1.26.17 or 2.0.5.","modified":"2026-09-15T08:17:47.847372033Z","published":"2023-10-04T17:15:10.163Z","upstream":["CVE-2023-43804"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-43804"}],"affected":[{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}},{"package":{"name":"py3-urllib3","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/py3-urllib3?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.17-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2023-43804.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}