{"id":"CVE-2002-0004","aliases":["EUVD-2002-0004","GHSA-hv62-hp8h-9vjg"],"status":"published","title":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code...","description":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01343,"percentile":0.71557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2002-02-27T05:00:00Z","modified":"2026-06-16T21:56:34Z","exploits":[{"source":"exploitdb","id":"EDB-21229","title":"AT 3.1.8 - Formatted Time Heap Overflow","type":"local","platform":"linux","date":"2002-01-16","verified":true,"url":"https://www.exploit-db.com/exploits/21229"}],"products":[{"vendor":"caldera","product":"openlinux_server"},{"vendor":"caldera","product":"openlinux_workstation"},{"vendor":"debian","product":"debian_linux"},{"vendor":"freebsd","product":"freebsd"},{"vendor":"mandrakesoft","product":"mandrake_linux"},{"vendor":"netbsd","product":"netbsd"},{"vendor":"redhat","product":"linux"},{"vendor":"slackware","product":"slackware_linux"},{"vendor":"suse","product":"suse_linux"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7909","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://online.securityfocus.com/advisories/3969","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.debian.org/security/2002/dsa-102","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-015.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://online.securityfocus.com/advisories/3833","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101128661602088\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/3886","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://www.novell.com/linux/security/advisories/2002_003_at_txt.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101147632721031\u0026w=2","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0004"},{"url":"https://github.com/advisories/GHSA-hv62-hp8h-9vjg"}],"sources":{"cve":[{"id":"CVE-2002-0004","description":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T02:35:17.414Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0004","description":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T02:35:17Z","updated_at":"2026-11-03T01:15:02.977959Z"}],"ghsa":[{"id":"GHSA-hv62-hp8h-9vjg","title":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code...","description":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.","status":"published","published":"2022-04-30T18:18:20Z","modified":"2023-01-30T05:05:55Z","updated_at":"2026-11-02T14:47:22.953418Z"}],"nvd":[{"id":"CVE-2002-0004","description":"Heap corruption vulnerability in the \"at\" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.","status":"published","published":"2002-02-27T05:00:00Z","modified":"2026-06-16T21:56:34.437Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}