{"id":"USN-5310-2","summary":"glibc vulnerabilities","details":"USN-5310-1 fixed several vulnerabilities in GNU. This update provides\nthe corresponding update for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that the GNU C library getcwd function incorrectly\n handled buffers. An attacker could use this issue to cause the GNU C\n Library to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2021-3999)\n\n It was discovered that the GNU C Library sunrpc module incorrectly handled\n buffer lengths. An attacker could possibly use this issue to cause the GNU\n C Library to crash, resulting in a denial of service. (CVE-2022-23218,\n CVE-2022-23219)\n","modified":"2026-02-10T04:42:30Z","published":"2022-03-07T14:01:17Z","related":["UBUNTU-CVE-2021-3999","UBUNTU-CVE-2022-23218","UBUNTU-CVE-2022-23219"],"upstream":["CVE-2021-3999","CVE-2022-23218","CVE-2022-23219","UBUNTU-CVE-2021-3999","UBUNTU-CVE-2022-23218","UBUNTU-CVE-2022-23219"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5310-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3999"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-23218"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-23219"}],"affected":[{"package":{"name":"glibc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.23-0ubuntu11.3+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.3+esm1"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11","2.23-0ubuntu11.2","2.23-0ubuntu11.3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"glibc-source"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc-bin"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc-dev-bin"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-amd64"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-armel"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev-amd64"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev-armel"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev-i386"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev-s390"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-dev-x32"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-i386"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-pic"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-s390"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"libc6-x32"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"locales"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"locales-all"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"multiarch-support"},{"binary_version":"2.23-0ubuntu11.3+esm1","binary_name":"nscd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5310-2.json","cves_map":{"cves":[{"id":"CVE-2021-3999","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-23218","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-23219","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.3"}