{"id":"CLSA-2026-1782221814","summary":"byacc: Fix of CVE-2021-33641","details":"- CVE-2021-33641: fix use-after-free in more_curly() in reader.c","modified":"2026-10-26T09:30:20.808432790Z","published":"2026-06-23T13:37:09Z","upstream":["CVE-2021-33641"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1782221814.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33641"}],"affected":[{"package":{"name":"byacc","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/byacc?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.20210109-4.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782221814.json"}}],"schema_version":"1.9.0"}