{"id":"CVE-2011-1843","aliases":["DEBIAN-CVE-2011-1843","EUVD-2011-1841","GHSA-xm8h-gm5v-cggh"],"status":"published","title":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass...","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01342,"percentile":0.71543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2011-05-03T00:03:00Z","modified":"2026-10-23T17:47:31Z","fixes":[{"ecosystem":"Debian:12","package":"tinyproxy","fixed_in":["1.8.2-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tinyproxy","fixed_in":["1.8.2-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tinyproxy","fixed_in":["1.8.2-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tinyproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tinyproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tinyproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]}],"products":[{"vendor":"banu","product":"tinyproxy"}],"references":[{"url":"https://banu.com/cgit/tinyproxy/diff/?id=97b9984484299b2ce72f8f4fc3706dab8a3a8439","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.securityfocus.com/bid/47715","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://banu.com/bugzilla/show_bug.cgi?id=90","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1843"},{"url":"https://github.com/advisories/GHSA-xm8h-gm5v-cggh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1843","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1843","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2011-05-03T00:03:00Z","modified":"2024-08-06T22:37:25.769Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1841","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2011-05-03T00:03:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-xm8h-gm5v-cggh","title":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass...","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2022-05-17T05:39:43Z","modified":"2023-01-28T05:04:20Z","updated_at":"2026-11-02T14:44:09.057427Z"}],"nvd":[{"id":"CVE-2011-1843","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2011-05-03T00:55:01.153Z","modified":"2026-06-16T23:30:13.67Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:07.221228Z"}],"osv":[{"id":"CVE-2011-1843","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2011-05-03T00:55:01Z","modified":"2026-04-10T03:41:47.177095Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1843","description":"Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.","status":"published","published":"2011-05-03T00:55:01.153Z","modified":"2026-10-23T17:47:31.74537227Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}