{"id":"CVE-2012-6063","aliases":["DEBIAN-CVE-2012-6063","DSA-2577-1","EUVD-2012-5937","GHSA-fgm4-g835-pxpp"],"status":"published","title":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows...","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03583,"percentile":0.89489,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2012-11-30T22:00:00Z","modified":"2026-10-23T17:47:37Z","fixes":[{"ecosystem":"Debian:12","package":"libssh","fixed_in":["0.5.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libssh","fixed_in":["0.5.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libssh","fixed_in":["0.5.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"libssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5-3+squeeze1"}]}],"versions":["0.4.5-3"],"bundled":4}],"products":[{"vendor":"libssh","product":"libssh"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=871612","tags":["x_refsource_MISC","x_transferred","report"]},{"url":"http://www.debian.org/security/2012/dsa-2577","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://git.libssh.org/projects/libssh.git/commit/?h=v0-5\u0026id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6063"},{"url":"http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release"},{"url":"https://github.com/advisories/GHSA-fgm4-g835-pxpp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-6063","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-6063","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2012-11-30T22:00:00Z","modified":"2024-08-06T21:21:28.545Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-5937","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2012-11-30T22:00:00Z","modified":"2024-08-06T21:21:28Z","updated_at":"2026-11-03T01:56:02.968969Z"}],"ghsa":[{"id":"GHSA-fgm4-g835-pxpp","title":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows...","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2022-05-17T05:17:49Z","modified":"2025-04-11T04:06:28Z","updated_at":"2026-11-02T15:01:13.040475Z"}],"nvd":[{"id":"CVE-2012-6063","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2012-11-30T22:55:01.893Z","modified":"2026-06-16T23:47:45.263Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:16.958223Z"}],"osv":[{"id":"CVE-2012-6063","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2012-11-30T22:55:01Z","modified":"2026-04-10T03:43:14.529602Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-6063","description":"Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.","status":"published","published":"2012-11-30T22:55:01.893Z","modified":"2026-10-23T17:47:37.704819535Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DSA-2577-1","title":"libssh - several","status":"published","published":"2012-12-01T00:00:00Z","modified":"2026-03-09T01:19:56.280632Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}