{"id":"CVE-2007-4643","aliases":["EUVD-2007-4625","GHSA-6h87-2fpc-x688"],"status":"published","title":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to...","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0215,"percentile":0.82232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2007-08-31T23:00:00Z","modified":"2026-06-16T22:44:29Z","products":[{"vendor":"doomsday","product":"doomsday"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36338","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://securityreason.com/securityalert/3084","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://secunia.com/advisories/28821","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://bugs.gentoo.org/show_bug.cgi?id=190835","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/26524","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/478077/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/25483","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://security.gentoo.org/glsa/glsa-200802-02.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://aluigi.org/poc/dumsdei.zip","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4643"},{"url":"https://github.com/advisories/GHSA-6h87-2fpc-x688"}],"sources":{"cve":[{"id":"CVE-2007-4643","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","status":"published","published":"2007-08-31T23:00:00Z","modified":"2024-08-07T15:01:09.947Z","updated_at":"2026-11-02T13:33:19.093583Z"}],"euvd":[{"id":"EUVD-2007-4625","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","status":"published","published":"2007-08-31T23:00:00Z","modified":"2024-08-07T15:01:09Z","updated_at":"2026-11-03T01:16:20.592518Z"}],"ghsa":[{"id":"GHSA-6h87-2fpc-x688","title":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to...","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","status":"published","published":"2022-05-01T18:25:43Z","modified":"2023-01-31T05:04:22Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:39.538271Z"}],"nvd":[{"id":"CVE-2007-4643","description":"Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.","status":"published","published":"2007-08-31T23:17:00Z","modified":"2026-06-16T22:44:29.613Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}