{"id":"CVE-2018-18928","title":"International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.","summary":"International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-190"],"vendor":"icu-project","product":"international_components_for_unicode","affected":["international_components_for_unicode = 63.1"],"published":"2018-11-04","updated":"2026-10-14","sourceUpdated":"2026-10-14T07:16:43.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-18928","references":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=900059","label":"cve@mitre.org"},{"url":"https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51","label":"cve@mitre.org"},{"url":"https://unicode-org.atlassian.net/browse/ICU-20246","label":"cve@mitre.org"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=900059","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://unicode-org.atlassian.net/browse/ICU-20246","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-18928.json"},{"url":"https://access.redhat.com/security/cve/CVE-2018-18928"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1646702"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-18928"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18928"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.02841,"epssPercentile":0.86326,"ingestedAt":"2026-10-14T07:21:04.803Z","slug":"CVE-2018-18928","body":"## Overview\n\nInternational Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.\n\n## Affected\n\n- `international_components_for_unicode = 63.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-10-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-18928.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}