{"id":"CVE-2026-73584","aliases":["AZL-96612","EUVD-2026-57829","GHSA-58x3-7493-rjr4","UBUNTU-CVE-2026-73584"],"status":"published","title":"Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00126,"percentile":0.02367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-377"],"published":"2026-08-13T12:44:16Z","modified":"2026-11-05T23:17:00Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.4.9-20"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.8-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-0ubuntu1","1.4.9-0ubuntu3","1.4.9-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-0ubuntu5","1.4.9-0ubuntu7"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-0ubuntu7","1.4.9-0ubuntu9","1.4.9-0ubuntu10"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"sblim-sfcb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-0ubuntu10"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"redhat","product":"enterprise_linux"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-73584","tags":["vdb-entry","x_refsource_REDHAT","Mitigation","Vendor Advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2462721","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73584","tags":["web"]},{"url":"https://github.com/advisories/GHSA-58x3-7493-rjr4"},{"url":"https://ubuntu.com/security/CVE-2026-73584","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73584","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-73584","title":"Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T12:44:16.778Z","modified":"2026-11-05T22:56:05.702Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-377"],"updated_at":"2026-11-05T23:55:29.66083Z"}],"euvd":[{"id":"EUVD-2026-57829","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T12:44:16Z","modified":"2026-11-05T22:56:05Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-06T00:02:32.983223Z"}],"ghsa":[{"id":"GHSA-58x3-7493-rjr4","title":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition...","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T15:34:37Z","modified":"2026-08-13T15:34:45Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-377"],"updated_at":"2026-11-02T15:10:25.227735Z"}],"nvd":[{"id":"CVE-2026-73584","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T13:19:18.673Z","modified":"2026-11-05T23:17:00.48Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-377"],"updated_at":"2026-11-06T01:57:39.734161Z"}],"osv":[{"id":"UBUNTU-CVE-2026-73584","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T13:19:00Z","modified":"2026-08-19T11:11:14Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:08.628462Z"},{"id":"AZL-96612","title":"CVE-2026-73584 affecting package sblim-sfcb 1.4.9-20","description":"A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.","status":"published","published":"2026-08-13T13:19:18Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:26.077208Z"}]}}