{"id":"CVE-2020-25097","details":"An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.","aliases":["GHSA-jvf6-h9gj-pmj6"],"modified":"2026-07-07T08:49:44.662627245Z","published":"2021-03-19T05:15:12.480Z","related":["ALSA-2021:1979","SUSE-SU-2021:1838-1","SUSE-SU-2021:1961-1","SUSE-SU-2022:14914-1","SUSE-SU-2022:2392-1","openSUSE-SU-2021:0879-1","openSUSE-SU-2021:1961-1","openSUSE-SU-2024:11403-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"},{"introduced":"34"},{"last_affected":"34"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202105-14"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210727-0010/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4873"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch"},{"type":"FIX","url":"https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/squid-cache/squid","events":[{"introduced":"0"},{"fixed":"fa47a3bc4d382e28e7235d08750401b910e4b13a"},{"introduced":"8a511d5e05aa17b47c7566839fd9c524512489d3"},{"fixed":"a115b4597afa7d6d9efa7cc83d001a1f7bcc17e2"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.0"},{"fixed":"4.14"},{"introduced":"5.0.1"},{"fixed":"5.0.5"}]}}],"versions":["SQUID_4_13","SQUID_5_0_4","SQUID_4_12","SQUID_5_0_3","SQUID_5_0_2","SQUID_4_11","SQUID_5_0_1","SQUID_4_10","SQUID_4_9","SQUID_4_8","SQUID_4_7","SQUID_4_6","SQUID_4_5","SQUID_4_4","SQUID_4_3","SQUID_4_2","SQUID_4_1","SQUID_4_0_25","SQUID_4_0_24","SQUID_4_0_23","SQUID_4_0_22","SQUID_4_0_21","SQUID_4_0_20","SQUID_4_0_19","SQUID_4_0_18","SQUID_4_0_17","SQUID_4_0_16","SQUID_4_0_15","SQUID_4_0_14","SQUID_4_0_13","SQUID_4_0_12","SQUID_4_0_11","SQUID_4_0_10","SQUID_4_0_9","SQUID_4_0_8","SQUID_4_0_7","SQUID_4_0_6","SQUID_4_0_5","SQUID_4_0_4","SQUID_4_0_3","SQUID_4_0_2","SQUID_4_0_1","take00","SQUID_3_0_RC1","SQUID_3_0_PRE7","SQUID_3_0_PRE6","SQUID_3_0_PRE5","SQUID_3_0_PRE4","SQUID_3_0_PRE3","SQUID_3_0_PRE2","SQUID_3_0_PRE1","HISTORIC_RELEASES"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25097.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"}]}