{"id":"CLSA-2026-1792760111","summary":"Fix CVE(s): CVE-2021-42380","details":"   * SECURITY UPDATE: awk: use-after-realloc in evaluate() when a $N field\n     reference reallocates Fields[] while another operand still points into it\n     - debian/patches/CVE-2021-42380.patch: Read L values before evaluating R,\n       cap fsrealloc size, and rebase L.v when Fields[] moved during evaluation\n       of R\n     - debian/patches/CVE-2021-42380-tests.patch: add regression test\n     - CVE-2021-42380","modified":"2026-10-26T09:32:04.593577224Z","published":"2026-10-23T12:55:23Z","upstream":["CVE-2021-42380"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1792760111.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42380"}],"affected":[{"package":{"name":"busybox","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/busybox?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}},{"package":{"name":"busybox-initramfs","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/busybox-initramfs?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}},{"package":{"name":"busybox-static","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/busybox-static?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}},{"package":{"name":"busybox-syslogd","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/busybox-syslogd?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}},{"package":{"name":"udhcpc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/udhcpc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}},{"package":{"name":"udhcpd","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/udhcpd?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.2-2ubuntu3.4+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792760111.json"}}],"schema_version":"1.9.0"}