{"id":"CLSA-2026-1777384121","summary":"squid: Fix of 3 CVEs","details":"- CVE-2019-12521: fix ESI parser off-by-one heap overflow by enforcing a\n  stack-depth limit and throwing on overflow\n- CVE-2019-12524 already addressed by the CVE-2019-12520 backport (same\n  fix upstream; see Squid advisory SQUID-2019:4)","modified":"2026-05-27T11:33:48.349198253Z","published":"2026-04-28T13:48:46Z","upstream":["CVE-2019-12520","CVE-2019-12521","CVE-2019-12524"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1777384121.html"}],"affected":[{"package":{"name":"squid","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/squid?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.1.23-30.el6.tuxcare.els18"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1777384121.json"}}],"schema_version":"1.7.5"}