{"id":"USN-8697-1","summary":"coreutils vulnerabilities","details":"It was discovered that GNU Core Utilities sort had a heap buffer under-read\nin its begfield() function. A local attacker could possibly use this issue\nto cause GNU Core Utilities to crash, resulting in a denial of service, or\nobtain sensitive information. (CVE-2025-5278)\n\nIt was discovered that GNU Core Utilities uniq had an out-of-bounds read\nwhen the -w option was used with crafted multibyte input. A local attacker\ncould possibly use this issue to cause GNU Core Utilities to crash,\nresulting in a denial of service, or obtain sensitive information. This\nissue only affected Ubuntu 26.04 LTS. (CVE-2026-56391)","modified":"2026-08-31T17:26:24.789222646Z","published":"2026-08-31T11:40:50Z","related":["UBUNTU-CVE-2025-5278","UBUNTU-CVE-2026-56391"],"upstream":["CVE-2025-5278","CVE-2026-56391","UBUNTU-CVE-2025-5278","UBUNTU-CVE-2026-56391"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8697-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-5278"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-56391"}],"affected":[{"package":{"name":"coreutils","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/coreutils?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.32-4.1ubuntu1.4"}]}],"versions":["8.32-4ubuntu2","8.32-4ubuntu3","8.32-4.1ubuntu1","8.32-4.1ubuntu1.1","8.32-4.1ubuntu1.2","8.32-4.1ubuntu1.3"],"ecosystem_specific":{"binaries":[{"binary_name":"coreutils","binary_version":"8.32-4.1ubuntu1.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8697-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2025-5278"}]}}},{"package":{"name":"coreutils","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/coreutils?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4-3ubuntu6.3"}]}],"versions":["9.1-1ubuntu2","9.4-2ubuntu1","9.4-2ubuntu2","9.4-2ubuntu3","9.4-2ubuntu4","9.4-3ubuntu3","9.4-3ubuntu5","9.4-3ubuntu6","9.4-3ubuntu6.1","9.4-3ubuntu6.2"],"ecosystem_specific":{"binaries":[{"binary_version":"9.4-3ubuntu6.3","binary_name":"coreutils"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-5278","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8697-1.json"}},{"package":{"name":"coreutils","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/coreutils?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.7-3ubuntu2.1"}]}],"versions":["9.5-1ubuntu4","9.7-3ubuntu1","9.7-3ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gnu-coreutils","binary_version":"9.7-3ubuntu2.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2025-5278"},{"id":"CVE-2026-56391","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8697-1.json"}}],"schema_version":"1.9.0"}