{"id":"USN-4416-1","summary":"glibc vulnerabilities","details":"Florian Weimer discovered that the GNU C Library incorrectly handled\ncertain memory operations. A remote attacker could use this issue to cause\nthe GNU C Library to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 16.04 LTS.\n(CVE-2017-12133)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nSSE2-optimized memmove operations. A remote attacker could use this issue\nto cause the GNU C Library to crash, resulting in a denial of service, or\npossibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.\n(CVE-2017-18269)\n\nIt was discovered that the GNU C Library incorrectly handled certain\npathname operations. A remote attacker could use this issue to cause the\nGNU C Library to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2018-11236)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nAVX-512-optimized mempcpy operations. A remote attacker could use this\nissue to cause the GNU C Library to crash, resulting in a denial of\nservice, or possibly execute arbitrary code. This issue only affected\nUbuntu 18.04 LTS. (CVE-2018-11237)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nhostname loookups. A remote attacker could use this issue to cause the GNU\nC Library to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-19591)\n\nJakub Wilk discovered that the GNU C Library incorrectly handled certain\nmemalign functions. A remote attacker could use this issue to cause the GNU\nC Library to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-6485)\n\nIt was discovered that the GNU C Library incorrectly ignored the\nLD_PREFER_MAP_32BIT_EXEC environment variable after security transitions. A\nlocal attacker could use this issue to bypass ASLR restrictions.\n(CVE-2019-19126)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nregular expressions. A remote attacker could possibly use this issue to\ncause the GNU C Library to crash, resulting in a denial of service. This\nissue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9169)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nbit patterns. A remote attacker could use this issue to cause the GNU C\nLibrary to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04\nLTS. (CVE-2020-10029)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nsignal trampolines on PowerPC. A remote attacker could use this issue to\ncause the GNU C Library to crash, resulting in a denial of service, or\npossibly execute arbitrary code. (CVE-2020-1751)\n\nIt was discovered that the GNU C Library incorrectly handled tilde\nexpansion. A remote attacker could use this issue to cause the GNU C\nLibrary to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2020-1752)\n","modified":"2026-02-10T04:41:52Z","published":"2020-07-06T18:10:11Z","related":["UBUNTU-CVE-2017-12133","UBUNTU-CVE-2017-18269","UBUNTU-CVE-2018-11236","UBUNTU-CVE-2018-11237","UBUNTU-CVE-2018-19591","UBUNTU-CVE-2018-6485","UBUNTU-CVE-2019-19126","UBUNTU-CVE-2019-9169","UBUNTU-CVE-2020-10029","UBUNTU-CVE-2020-1751","UBUNTU-CVE-2020-1752"],"upstream":["CVE-2017-12133","CVE-2017-18269","CVE-2018-11236","CVE-2018-11237","CVE-2018-19591","CVE-2018-6485","CVE-2019-19126","CVE-2019-9169","CVE-2020-10029","CVE-2020-1751","CVE-2020-1752","UBUNTU-CVE-2017-12133","UBUNTU-CVE-2017-18269","UBUNTU-CVE-2018-11236","UBUNTU-CVE-2018-11237","UBUNTU-CVE-2018-19591","UBUNTU-CVE-2018-6485","UBUNTU-CVE-2019-19126","UBUNTU-CVE-2019-9169","UBUNTU-CVE-2020-10029","UBUNTU-CVE-2020-1751","UBUNTU-CVE-2020-1752"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4416-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12133"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18269"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6485"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11236"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11237"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19591"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9169"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-19126"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1751"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1752"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10029"}],"affected":[{"package":{"name":"glibc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.23-0ubuntu11.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.2"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"glibc-source","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc-bin","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc-dev-bin","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-amd64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-armel","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-amd64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-armel","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-i386","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-ppc64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-s390","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-dev-x32","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-i386","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-pic","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-ppc64","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-s390","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"libc6-x32","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"locales","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"locales-all","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"multiarch-support","binary_version":"2.23-0ubuntu11.2"},{"binary_name":"nscd","binary_version":"2.23-0ubuntu11.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4416-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2017-12133"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2017-18269"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-6485"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11236"},{"severity":[{"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":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11237"},{"severity":[{"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":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2019-9169"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2019-19126"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-1751"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-1752"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-10029"}]}}},{"package":{"name":"glibc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.27-3ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.27-3ubuntu1.2"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"glibc-source","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc-bin","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc-dev-bin","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-amd64","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-armel","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-amd64","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-armel","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-i386","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-s390","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-dev-x32","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-i386","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-pic","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-s390","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"libc6-x32","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"locales","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"locales-all","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"multiarch-support","binary_version":"2.27-3ubuntu1.2"},{"binary_name":"nscd","binary_version":"2.27-3ubuntu1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4416-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11236"},{"severity":[{"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":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11237"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19591"},{"severity":[{"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":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2019-9169"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2019-19126"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-1751"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-1752"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-10029"}]}}}],"schema_version":"1.7.3"}