{"id":"CVE-2019-8723","aliases":["EUVD-2019-18113","GHSA-27cc-f5jv-v62h"],"status":"published","title":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4....","description":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01881,"percentile":0.79611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-12-18T17:33:22Z","modified":"2026-06-17T02:42:26Z","products":[{"vendor":"apple","product":"xcode"}],"references":[{"url":"https://support.apple.com/HT210609","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8723"},{"url":"https://github.com/advisories/GHSA-27cc-f5jv-v62h"}],"sources":{"cve":[{"id":"CVE-2019-8723","description":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.","status":"published","published":"2019-12-18T17:33:22Z","modified":"2024-08-04T21:24:29.605Z","updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-18113","description":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.","status":"published","published":"2019-12-18T17:33:22Z","modified":"2024-08-04T21:24:29Z","updated_at":"2026-11-03T03:06:41.543253Z"}],"ghsa":[{"id":"GHSA-27cc-f5jv-v62h","title":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4....","description":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.","status":"published","published":"2022-05-24T17:04:30Z","modified":"2023-01-29T05:00:51Z","updated_at":"2026-11-02T14:44:40.694561Z"}],"nvd":[{"id":"CVE-2019-8723","description":"Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.","status":"published","published":"2019-12-18T18:15:36.943Z","modified":"2026-06-17T02:42:26.673Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:40.856496Z"}]}}