{"id":"CVE-2004-0837","aliases":["BELL-CVE-2004-0837","DSA-562-2","EUVD-2004-0835","GHSA-8p34-xxjh-4hrg"],"status":"published","title":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service ...","description":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04901,"percentile":0.92146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-10-11T00:00:00Z","modified":"2026-06-16T22:06:29Z","affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"mysql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.49-8.8"}]}],"bundled":3}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"mysql","product":"mysql"},{"vendor":"oracle","product":"mysql"}],"references":[{"url":"http://lists.mysql.com/internals/16174","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-611.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory"]},{"url":"http://secunia.com/advisories/12783/","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"http://www.debian.org/security/2004/dsa-562","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=110140517515735\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://lists.mysql.com/internals/16173","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17667","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-101864-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/11357","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000892","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-597.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.ciac.org/ciac/bulletins/p-018.shtml","tags":["third-party-advisory","government-resource","x_refsource_CIAC","x_transferred","Broken Link"]},{"url":"http://lists.mysql.com/internals/16168","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200410-22.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"http://www.trustix.org/errata/2004/0054/","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred","Broken Link"]},{"url":"http://bugs.mysql.com/2408","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1011606","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://mysql.bkbits.net:8080/mysql-3.23/diffs/myisammrg/myrg_open.c%401.15","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0837"},{"url":"http://mysql.bkbits.net:8080/mysql-3.23/diffs/myisammrg/myrg_open.c@1.15"},{"url":"http://secunia.com/advisories/12783"},{"url":"http://www.trustix.org/errata/2004/0054"},{"url":"https://github.com/advisories/GHSA-8p34-xxjh-4hrg"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2004-0837","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0837","description":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.","status":"published","published":"2004-10-16T04:00:00Z","modified":"2024-08-08T00:31:47.457Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2004-0835","description":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.","status":"published","published":"2004-10-16T04:00:00Z","modified":"2024-08-08T00:31:47Z","updated_at":"2026-11-03T01:15:17.778038Z"}],"ghsa":[{"id":"GHSA-8p34-xxjh-4hrg","title":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service ...","description":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.","status":"published","published":"2022-04-29T02:58:27Z","modified":"2025-04-03T04:02:49Z","updated_at":"2026-11-02T15:00:39.470148Z"}],"nvd":[{"id":"CVE-2004-0837","description":"MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.","status":"published","published":"2004-11-03T05:00:00Z","modified":"2026-06-16T22:06:29.39Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.000028Z"}],"osv":[{"id":"BELL-CVE-2004-0837","title":"CVE-2004-0837 does not affect BellSoft software","status":"withdrawn","published":"2004-11-03T05:00:00Z","modified":"2026-01-28T07:18:46.752671Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"DSA-562-2","title":"mysql - several vulnerabilities","status":"published","published":"2004-10-11T00:00:00Z","modified":"2026-03-09T02:11:29.584683Z","updated_at":"2026-11-02T15:46:17.892347Z"}]}}