{"id":"CVE-2012-2739","aliases":["EUVD-2012-2719","GHSA-g4rj-4w28-44fg"],"status":"published","title":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39,...","description":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.","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":"2026-11-08","score":0.0317,"percentile":0.88111,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2012-11-28T11:00:00Z","modified":"2026-06-16T23:42:00Z","products":[{"vendor":"oracle","product":"jdk"},{"vendor":"oracle","product":"jre"},{"vendor":"oracle","product":"openjdk"}],"references":[{"url":"http://www.nruns.com/_downloads/advisory28122011.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=750533","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/17/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/903934","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/15/12","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory"]},{"url":"http://www.ocert.org/advisories/ocert-2011-003.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2739"},{"url":"https://github.com/advisories/GHSA-g4rj-4w28-44fg"}],"sources":{"cve":[{"id":"CVE-2012-2739","description":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.","status":"published","published":"2012-11-28T11:00:00Z","modified":"2024-08-06T19:42:32.448Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-2719","description":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.","status":"published","published":"2012-11-28T11:00:00Z","modified":"2024-08-06T19:42:32Z","updated_at":"2026-11-03T01:56:13.373355Z"}],"ghsa":[{"id":"GHSA-g4rj-4w28-44fg","title":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39,...","description":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.","status":"published","published":"2022-05-17T05:18:22Z","modified":"2023-01-28T05:03:30Z","updated_at":"2026-11-02T14:43:59.339521Z"}],"nvd":[{"id":"CVE-2012-2739","description":"Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.","status":"published","published":"2012-11-28T13:03:09.793Z","modified":"2026-06-16T23:42:00.79Z","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-310"],"updated_at":"2026-11-02T14:02:16.536025Z"}]}}