{"id":"CVE-2012-1836","aliases":["DEBIAN-CVE-2012-1836","DSA-2448-1","EUVD-2012-1846","GHSA-pwc6-j7x5-cxc4"],"status":"published","title":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute...","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","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":"2026-11-07","score":0.06733,"percentile":0.93991,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-03-22T01:00:00Z","modified":"2026-10-23T17:47:26Z","fixes":[{"ecosystem":"Debian:12","package":"inspircd","fixed_in":["2.0.5-0.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"inspircd","fixed_in":["2.0.5-0.1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"inspircd","fixed_in":["1.1.22+dfsg-4+squeeze1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"inspircd","fixed_in":["1.1.22+dfsg-4+wheezy1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.5-0.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.5-0.1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.22+dfsg-4+squeeze1"}]}],"versions":["1.1.22+dfsg-4"]},{"source":"osv","ecosystem":"Debian:7","package":"inspircd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.22+dfsg-4+wheezy1"}]}]}],"products":[{"vendor":"inspircd","product":"inspircd"}],"references":[{"url":"http://www.securityfocus.com/bid/52561","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://osvdb.org/80263","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://www.debian.org/security/2012/dsa-2448","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/74157","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/48474","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"http://www.kb.cert.org/vuls/id/212651","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","US Government Resource","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1836"},{"url":"https://github.com/advisories/GHSA-pwc6-j7x5-cxc4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-1836","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-1836","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2012-03-22T01:00:00Z","modified":"2024-08-06T19:08:38.629Z","updated_at":"2026-11-02T14:34:52.638543Z"}],"euvd":[{"id":"EUVD-2012-1846","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2012-03-22T01:00:00Z","modified":"2024-08-06T19:08:38Z","updated_at":"2026-11-03T01:56:16.423783Z"}],"ghsa":[{"id":"GHSA-pwc6-j7x5-cxc4","title":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute...","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2022-05-13T01:16:18Z","modified":"2023-02-01T05:04:52Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:50:11.446996Z"}],"nvd":[{"id":"CVE-2012-1836","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2012-03-22T03:28:04.47Z","modified":"2026-06-16T23:40:23.76Z","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-119"],"updated_at":"2026-11-02T14:02:13.901526Z"}],"osv":[{"id":"CVE-2012-1836","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2012-03-22T03:28:04Z","modified":"2026-04-10T03:42:16.727041Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-1836","description":"Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.","status":"published","published":"2012-03-22T03:28:04.47Z","modified":"2026-10-23T17:47:26.367911067Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"DSA-2448-1","title":"inspircd - buffer overflow","status":"published","published":"2012-04-08T00:00:00Z","modified":"2026-03-09T01:18:28.636448Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}