{"id":"CVE-2006-0635","aliases":["DEBIAN-CVE-2006-0635","EUVD-2006-0642","GHSA-vj7q-v8gv-98pv"],"status":"published","title":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when...","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0035,"percentile":0.28865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2006-02-10T11:00:00Z","modified":"2026-10-22T23:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"tcc","fixed_in":["0.9.24~cvs20070502-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tcc","fixed_in":["0.9.24~cvs20070502-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tcc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.24~cvs20070502-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tcc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.24~cvs20070502-1"}]}]}],"products":[{"vendor":"fabrice_bellard","product":"tiny_c_compiler"}],"references":[{"url":"http://www.securityfocus.com/archive/1/424257/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.osvdb.org/22956","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0635"},{"url":"https://github.com/advisories/GHSA-vj7q-v8gv-98pv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2006-0635","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-0635","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2006-02-10T11:00:00Z","modified":"2024-08-07T16:41:28.993Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0642","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2006-02-10T11:00:00Z","modified":"2024-08-07T16:41:28Z","updated_at":"2026-11-03T01:16:08.538379Z"}],"ghsa":[{"id":"GHSA-vj7q-v8gv-98pv","title":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when...","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2022-05-01T06:41:35Z","modified":"2023-01-31T05:00:36Z","updated_at":"2026-11-02T14:47:53.77912Z"}],"nvd":[{"id":"CVE-2006-0635","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2006-02-10T11:02:00Z","modified":"2026-06-16T22:20:58.893Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:00.920802Z"}],"osv":[{"id":"CVE-2006-0635","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2006-02-10T11:02:00Z","modified":"2026-04-10T03:37:25.037755Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2006-0635","description":"Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i\u003esizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.","status":"published","published":"2006-02-10T11:02:00Z","modified":"2026-10-22T23:47:23.183402162Z","updated_at":"2026-11-02T15:45:22.831407Z"}]}}