{"id":"USN-6541-1","summary":"glibc vulnerabilities","details":"It was discovered that the GNU C Library was not properly handling certain\nmemory operations. An attacker could possibly use this issue to cause a\ndenial of service (application crash). (CVE-2023-4806, CVE-2023-4813)\n\nIt was discovered that the GNU C library was not properly implementing a\nfix for CVE-2023-4806 in certain cases, which could lead to a memory leak.\nAn attacker could possibly use this issue to cause a denial of service\n(application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu\n23.04. (CVE-2023-5156)\n","modified":"2026-06-25T13:32:25.835839514Z","published":"2023-12-07T16:24:50Z","related":["UBUNTU-CVE-2023-4806","UBUNTU-CVE-2023-4813","UBUNTU-CVE-2023-5156"],"upstream":["CVE-2023-4806","CVE-2023-4813","CVE-2023-5156","UBUNTU-CVE-2023-4806","UBUNTU-CVE-2023-4813","UBUNTU-CVE-2023-5156"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6541-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4806"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4813"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5156"}],"affected":[{"package":{"name":"glibc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.3+esm5"}]}],"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","2.23-0ubuntu11.3+esm1","2.23-0ubuntu11.3+esm2","2.23-0ubuntu11.3+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"glibc-source","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc-bin","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"libc-dev-bin"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"libc6"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"libc6-amd64"},{"binary_name":"libc6-armel","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"libc6-dev-amd64"},{"binary_name":"libc6-dev-armel","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc6-dev-i386","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc6-dev-s390","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"libc6-dev-x32"},{"binary_name":"libc6-i386","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc6-pic","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc6-s390","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"libc6-x32","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"locales","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_version":"2.23-0ubuntu11.3+esm5","binary_name":"locales-all"},{"binary_name":"multiarch-support","binary_version":"2.23-0ubuntu11.3+esm5"},{"binary_name":"nscd","binary_version":"2.23-0ubuntu11.3+esm5"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2023-4806"},{"id":"CVE-2023-4813","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6541-1.json"}},{"package":{"name":"glibc","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.27-3ubuntu1.6+esm1"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1","2.27-3ubuntu1.2","2.27-3ubuntu1.3","2.27-3ubuntu1.4","2.27-3ubuntu1.5","2.27-3ubuntu1.6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"glibc-source"},{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"libc-bin"},{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"libc-dev-bin"},{"binary_name":"libc6","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-amd64","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-armel","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-dev-amd64","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-dev-armel","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"libc6-dev-i386"},{"binary_name":"libc6-dev-s390","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-dev-x32","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-i386","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"libc6-lse"},{"binary_name":"libc6-pic","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-s390","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"libc6-x32","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"locales","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"locales-all","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_name":"multiarch-support","binary_version":"2.27-3ubuntu1.6+esm1"},{"binary_version":"2.27-3ubuntu1.6+esm1","binary_name":"nscd"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-4806","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2023-4813","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6541-1.json"}},{"package":{"name":"glibc","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.31-0ubuntu9.14"}]}],"versions":["2.30-0ubuntu2","2.30-0ubuntu3","2.31-0ubuntu5","2.31-0ubuntu6","2.31-0ubuntu7","2.31-0ubuntu9","2.31-0ubuntu9.1","2.31-0ubuntu9.2","2.31-0ubuntu9.3","2.31-0ubuntu9.7","2.31-0ubuntu9.9","2.31-0ubuntu9.12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.31-0ubuntu9.14","binary_name":"glibc-source"},{"binary_name":"libc-bin","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc-dev-bin","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6","binary_version":"2.31-0ubuntu9.14"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"libc6-amd64"},{"binary_name":"libc6-armel","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6-dev-amd64","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6-dev-armel","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6-dev-i386","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6-dev-s390","binary_version":"2.31-0ubuntu9.14"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"libc6-dev-x32"},{"binary_name":"libc6-i386","binary_version":"2.31-0ubuntu9.14"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"libc6-lse"},{"binary_name":"libc6-pic","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"libc6-prof","binary_version":"2.31-0ubuntu9.14"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"libc6-s390"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"libc6-x32"},{"binary_version":"2.31-0ubuntu9.14","binary_name":"locales"},{"binary_name":"locales-all","binary_version":"2.31-0ubuntu9.14"},{"binary_name":"nscd","binary_version":"2.31-0ubuntu9.14"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6541-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2023-4806"},{"id":"CVE-2023-4813","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}]}}},{"package":{"name":"glibc","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.35-0ubuntu3.5"}]}],"versions":["2.34-0ubuntu3","2.35-0ubuntu1","2.35-0ubuntu3","2.35-0ubuntu3.1","2.35-0ubuntu3.3","2.35-0ubuntu3.4"],"ecosystem_specific":{"binaries":[{"binary_name":"glibc-source","binary_version":"2.35-0ubuntu3.5"},{"binary_version":"2.35-0ubuntu3.5","binary_name":"libc-bin"},{"binary_name":"libc-dev-bin","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"libc-devtools","binary_version":"2.35-0ubuntu3.5"},{"binary_version":"2.35-0ubuntu3.5","binary_name":"libc6"},{"binary_name":"libc6-amd64","binary_version":"2.35-0ubuntu3.5"},{"binary_version":"2.35-0ubuntu3.5","binary_name":"libc6-dev-amd64"},{"binary_name":"libc6-dev-i386","binary_version":"2.35-0ubuntu3.5"},{"binary_version":"2.35-0ubuntu3.5","binary_name":"libc6-dev-s390"},{"binary_name":"libc6-dev-x32","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"libc6-i386","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"libc6-prof","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"libc6-s390","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"libc6-x32","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"locales","binary_version":"2.35-0ubuntu3.5"},{"binary_name":"locales-all","binary_version":"2.35-0ubuntu3.5"},{"binary_version":"2.35-0ubuntu3.5","binary_name":"nscd"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6541-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-4806","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2023-4813"},{"id":"CVE-2023-5156","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.5"}