{"id":"USN-9065-1","summary":"glibc vulnerabilities","details":"It was discovered that the GNU C Library incorrectly handled the ccs=\noption in the fopen function. An attacker could possibly use this issue\nto cause GNU C Library to crash or execute arbitrary code.\n(CVE-2026-18374)\n\nIt was discovered that the GNU C Library incorrectly handled long domain\nnames in DNS search lists. An attacker on the local network could\npossibly use this issue to cause GNU C Library to crash, resulting in a\ndenial of service. (CVE-2026-8674)\n\nIt was discovered that the GNU C Library dynamic loader had a\ntime-of-check to time-of-use race condition when handling the $ORIGIN\npath expansion in setuid or setgid programs. A local attacker could\npossibly use this issue to execute arbitrary code with elevated\nprivileges. (CVE-2026-86805)\n\nIt was discovered that the GNU C Library dynamic loader incorrectly\nhandled $ORIGIN path expansion, leading to a stack-based buffer\noverflow. A local attacker could possibly use this issue to cause GNU C\nLibrary to crash, resulting in a denial of service, or obtain sensitive\ninformation. (CVE-2026-95818)\n\nIt was discovered that the GNU C Library nscd service incorrectly\nhandled large DNS responses. An attacker could possibly use this issue\nto cause nscd to crash, resulting in a denial of service.\n(CVE-2026-89092)\n\nIt was discovered that the GNU C Library strncasecmp function optimized\nfor the Power8 architecture incorrectly handled certain inputs. An\nattacker could possibly use this issue to cause GNU C Library to crash,\nresulting in a denial of service. (CVE-2026-97399)\n\nIt was discovered that the GNU C Library incorrectly restricted path\ntraversal when processing the LANGUAGE environment variable in gettext.\nA local attacker could possibly use this issue to load message catalogs\nfrom arbitrary locations and execute arbitrary code.\n(CVE-2026-84243)","modified":"2026-11-13T11:28:27.892786010Z","published":"2026-11-12T14:08:35Z","related":["UBUNTU-CVE-2026-18374","UBUNTU-CVE-2026-84243","UBUNTU-CVE-2026-8674","UBUNTU-CVE-2026-86805","UBUNTU-CVE-2026-89092","UBUNTU-CVE-2026-95818","UBUNTU-CVE-2026-97399"],"upstream":["CVE-2026-18374","CVE-2026-84243","CVE-2026-8674","CVE-2026-86805","CVE-2026-89092","CVE-2026-95818","CVE-2026-97399","UBUNTU-CVE-2026-18374","UBUNTU-CVE-2026-84243","UBUNTU-CVE-2026-8674","UBUNTU-CVE-2026-86805","UBUNTU-CVE-2026-89092","UBUNTU-CVE-2026-95818","UBUNTU-CVE-2026-97399"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-9065-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-8674"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-18374"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84243"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-86805"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-89092"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-95818"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-97399"}],"affected":[{"package":{"name":"glibc","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.35-0ubuntu3.18"}]}],"versions":["2.34-0ubuntu3","2.35-0ubuntu1","2.35-0ubuntu3","2.35-0ubuntu3.1","2.35-0ubuntu3.3","2.35-0ubuntu3.4","2.35-0ubuntu3.5","2.35-0ubuntu3.6","2.35-0ubuntu3.7","2.35-0ubuntu3.8","2.35-0ubuntu3.9","2.35-0ubuntu3.10","2.35-0ubuntu3.11","2.35-0ubuntu3.12","2.35-0ubuntu3.13","2.35-0ubuntu3.14","2.35-0ubuntu3.15"],"ecosystem_specific":{"binaries":[{"binary_version":"2.35-0ubuntu3.18","binary_name":"glibc-source"},{"binary_name":"libc-bin","binary_version":"2.35-0ubuntu3.18"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"libc-dev-bin"},{"binary_name":"libc-devtools","binary_version":"2.35-0ubuntu3.18"},{"binary_name":"libc6","binary_version":"2.35-0ubuntu3.18"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"libc6-amd64"},{"binary_name":"libc6-dev-amd64","binary_version":"2.35-0ubuntu3.18"},{"binary_name":"libc6-dev-i386","binary_version":"2.35-0ubuntu3.18"},{"binary_name":"libc6-dev-s390","binary_version":"2.35-0ubuntu3.18"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"libc6-dev-x32"},{"binary_name":"libc6-i386","binary_version":"2.35-0ubuntu3.18"},{"binary_name":"libc6-prof","binary_version":"2.35-0ubuntu3.18"},{"binary_name":"libc6-s390","binary_version":"2.35-0ubuntu3.18"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"libc6-x32"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"locales"},{"binary_version":"2.35-0ubuntu3.18","binary_name":"locales-all"},{"binary_name":"nscd","binary_version":"2.35-0ubuntu3.18"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9065-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-8674","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-18374","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-84243"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-86805"},{"id":"CVE-2026-95818","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-97399","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"glibc","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.39-0ubuntu8.12"}]}],"versions":["2.38-1ubuntu6","2.38-3ubuntu1","2.39-0ubuntu1","2.39-0ubuntu2","2.39-0ubuntu6","2.39-0ubuntu8","2.39-0ubuntu8.1","2.39-0ubuntu8.2","2.39-0ubuntu8.3","2.39-0ubuntu8.4","2.39-0ubuntu8.5","2.39-0ubuntu8.6","2.39-0ubuntu8.7","2.39-0ubuntu8.8","2.39-0ubuntu8.9"],"ecosystem_specific":{"availability":"No 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subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9065-1.json","cves_map":{"ecosystem":"Ubuntu:26.10","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-84243"}]}}},{"package":{"name":"glibc","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/glibc?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43-2ubuntu2.7"}]}],"versions":["2.42-0ubuntu3","2.42-2ubuntu1","2.42-2ubuntu2","2.42-2ubuntu4","2.42-2ubuntu5","2.43-2ubuntu1","2.43-2ubuntu2","2.43-2ubuntu2.3","2.43-2ubuntu2.4"],"ecosystem_specific":{"availability":"No subscription 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