{ "schema_version": "1.4.0", "id": "GHSA-crxf-6fx4-jr2j", "modified": "2022-05-24T16:51:03Z", "published": "2022-05-24T16:51:03Z", "aliases": [ "CVE-2019-9815" ], "details": "If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an option to disable hyperthreading in applications running untrusted code in a thread through a new sysctl. Firefox now makes use of it on the main thread and any worker threads. *Note: users need to update to macOS 10.14.5 in order to take advantage of this change.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9815" }, { "type": "WEB", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1546544" }, { "type": "WEB", "url": "https://mdsattacks.com" }, { "type": "WEB", "url": "https://www.mozilla.org/security/advisories/mfsa2019-13" }, { "type": "WEB", "url": "https://www.mozilla.org/security/advisories/mfsa2019-14" }, { "type": "WEB", "url": "https://www.mozilla.org/security/advisories/mfsa2019-15" } ], "database_specific": { "cwe_ids": [ "CWE-203" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-07-23T14:15:00Z" } }