{"id":"CLSA-2026-1787337364","summary":"clamav: Fix of 5 CVEs","details":"- CVE-2026-20213: fix Aspack-triggered PE rebuild integer overflow leading to heap buffer overflow write\n- CVE-2026-20214: fix FSG unpacker section loop underflow leading to out-of-bounds write\n- CVE-2026-20215: fix 7z substream count overflow leading to heap under-allocation and out-of-bounds write\n- CVE-2026-20216: enforce InstallShield extraction limits to prevent temporary storage exhaustion\n- CVE-2026-20217: fix PESpin unpacker cleanup bitmap tracking leading to invalid free and crash","modified":"2026-10-26T09:31:48.758023211Z","published":"2026-08-21T18:36:17Z","upstream":["CVE-2026-20213","CVE-2026-20214","CVE-2026-20215","CVE-2026-20216","CVE-2026-20217"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1787337364.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20213"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20214"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20215"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20216"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20217"}],"affected":[{"package":{"name":"clamav","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-data","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-data?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-doc","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-doc?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-filesystem","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-filesystem?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-freshclam","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-freshclam?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-lib","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-lib?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamav-milter","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamav-milter?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}},{"package":{"name":"clamd","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/clamd?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.4.3-1.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787337364.json"}}],"schema_version":"1.9.0"}