{"id":"CVE-2005-2991","aliases":["EUVD-2005-2991","GHSA-fh95-qp78-39wf"],"status":"published","title":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack...","description":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00367,"percentile":0.30722,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-09-20T04:00:00Z","modified":"2026-06-16T22:16:02Z","products":[{"vendor":"ncompress","product":"ncompress"}],"references":[{"url":"http://securityreason.com/securityalert/12","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://marc.info/?l=full-disclosure\u0026m=112688098630314\u0026w=2","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=112689772732098\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.zataz.net/adviso/ncompress-09052005.txt","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2991"},{"url":"https://github.com/advisories/GHSA-fh95-qp78-39wf"}],"sources":{"cve":[{"id":"CVE-2005-2991","description":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.","status":"published","published":"2005-09-20T04:00:00Z","modified":"2024-08-07T22:53:29.867Z","updated_at":"2026-11-02T14:33:37.446553Z"}],"euvd":[{"id":"EUVD-2005-2991","description":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.","status":"published","published":"2005-09-20T04:00:00Z","modified":"2024-08-07T22:53:29Z","updated_at":"2026-11-03T01:15:28.669844Z"}],"ghsa":[{"id":"GHSA-fh95-qp78-39wf","title":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack...","description":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.","status":"published","published":"2022-05-01T02:13:24Z","modified":"2023-01-30T05:07:15Z","updated_at":"2026-11-02T14:47:39.345737Z"}],"nvd":[{"id":"CVE-2005-2991","description":"ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.","status":"published","published":"2005-09-20T20:03:00Z","modified":"2026-06-16T22:16:02.737Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:56.902692Z"}]}}