{"id":"RLSA-2021:4292","summary":"Moderate: squid:4 security, bug fix, and enhancement update","details":"Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.15). (BZ#1964384)\n\nSecurity Fix(es):\n\n* squid: denial of service in URN processing (CVE-2021-28651)\n\n* squid: denial of service issue in Cache Manager (CVE-2021-28652)\n\n* squid: denial of service in HTTP response processing (CVE-2021-28662)\n\n* squid: improper input validation in HTTP Range header (CVE-2021-31806)\n\n* squid: incorrect memory management in HTTP Range header (CVE-2021-31807)\n\n* squid: integer overflow in HTTP Range header (CVE-2021-31808)\n\n* squid: denial of service in HTTP response processing (CVE-2021-33620)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-03-11T06:00:44.454589Z","published":"2021-11-09T08:56:14Z","upstream":["CVE-2021-28651","CVE-2021-28652","CVE-2021-28662","CVE-2021-31806","CVE-2021-31807","CVE-2021-31808","CVE-2021-33620"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4292"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1959537"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962243"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962246"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962254"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962595"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962597"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962599"}],"affected":[{"package":{"name":"libecap","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libecap?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.1-2.module+el8.4.0+404+316a0dc5"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4292.json"}},{"package":{"name":"squid","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/squid?distro=rocky-linux-8-5-legacy&epoch=7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.15-1.module+el8.5.0+705+218dec94"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4292.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}