{"id":"CVE-2019-8538","aliases":["EUVD-2019-17928","GHSA-68vv-mff5-qhcm"],"status":"published","title":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS...","description":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00859,"percentile":0.58789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-10-27T19:25:23Z","modified":"2026-06-17T02:42:07Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/en-us/HT209600","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT209599","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT209602","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8538"},{"url":"https://github.com/advisories/GHSA-68vv-mff5-qhcm"}],"sources":{"cve":[{"id":"CVE-2019-8538","description":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.","status":"published","published":"2020-10-27T19:25:23Z","modified":"2024-08-04T21:24:27.674Z","updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-17928","description":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.","status":"published","published":"2020-10-27T19:25:23Z","modified":"2024-08-04T21:24:27Z","updated_at":"2026-11-03T03:06:42.550766Z"}],"ghsa":[{"id":"GHSA-68vv-mff5-qhcm","title":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS...","description":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.","status":"published","published":"2022-05-24T17:32:16Z","modified":"2023-01-29T05:04:33Z","updated_at":"2026-11-02T14:45:35.161944Z"}],"nvd":[{"id":"CVE-2019-8538","description":"A denial of service issue was addressed with improved validation. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. Processing a maliciously crafted vcf file may lead to a denial of service.","status":"published","published":"2020-10-27T20:15:15Z","modified":"2026-06-17T02:42:07.39Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:48.502374Z"}]}}