{"cve":"CVE-2012-2739","nvd":{"published":"2012-11-28T13:03:09.793","modified":"2026-06-16T23:42:00.790","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html","http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html","http://www.kb.cert.org/vuls/id/903934","http://www.nruns.com/_downloads/advisory28122011.pdf","http://www.ocert.org/advisories/ocert-2011-003.html"],"products":["oracle:jdk","oracle:jre","oracle:openjdk"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-2739","score":0.0317,"percentile":0.88029,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}