{"id":"CVE-2010-1938","aliases":["EUVD-2010-1957","GHSA-grpr-f38p-j58f"],"status":"published","title":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and...","description":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.22068,"percentile":0.97682,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-189"],"published":"2010-05-28T18:00:00Z","modified":"2026-06-16T23:19:37Z","exploits":[{"source":"exploitdb","id":"EDB-12762","title":"FreeBSD 8.0 - 'ftpd' (FreeBSD-SA-10:05) Off-By-One (PoC)","type":"dos","platform":"freebsd","date":"2010-05-27","verified":true,"url":"https://www.exploit-db.com/exploits/12762"},{"source":"pocgithub","id":"Nexxus67/cve-2010-1938","title":"Nexxus67/cve-2010-1938","date":"2024-10-05","url":"https://github.com/Nexxus67/cve-2010-1938"}],"products":[{"vendor":"freebsd","product":"freebsd"},{"vendor":"nrl","product":"opie"}],"references":[{"url":"http://blog.pi3.com.pl/?p=111","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://securityreason.com/securityalert/7450","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/bid/40403","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://site.pi3.com.pl/adv/libopie-adv.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://securitytracker.com/id?1024040","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.debian.org/security/2011/dsa-2281","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/39966","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.exploit-db.com/exploits/12762","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://securityreason.com/achievement_securityalert/87","tags":["third-party-advisory","x_refsource_SREASONRES","x_transferred"]},{"url":"http://securitytracker.com/id?1025709","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/39963","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/45136","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-1938"},{"url":"https://github.com/advisories/GHSA-grpr-f38p-j58f"}],"sources":{"cve":[{"id":"CVE-2010-1938","description":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.","status":"published","published":"2010-05-28T18:00:00Z","modified":"2024-08-07T02:17:13.078Z","updated_at":"2026-11-02T14:33:29.582233Z"}],"euvd":[{"id":"EUVD-2010-1957","description":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.","status":"published","published":"2010-05-28T18:00:00Z","modified":"2024-08-07T02:17:13Z","updated_at":"2026-11-03T01:39:39.367115Z"}],"ghsa":[{"id":"GHSA-grpr-f38p-j58f","title":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and...","description":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.","status":"published","published":"2022-05-17T05:40:11Z","modified":"2023-01-28T05:04:30Z","updated_at":"2026-11-02T14:44:11.36375Z"}],"nvd":[{"id":"CVE-2010-1938","description":"Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.","status":"published","published":"2010-05-28T18:30:01.47Z","modified":"2026-06-16T23:19:37.547Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:47.724369Z"}]}}