CVE-2018-18928
criticalInternational Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimal…
Vendor / product: Icu-project — international components for unicode
International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.
CVSS
9.8
9.8 (CVSS v3.0)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.0 (nvd@nist.gov)
Timeline (UTC)
Published: 2018-11-04 20:29
Modified: 2026-10-14 07:16
NVD status: Modified
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
icu-project / international_components_for_unicode 63.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://unicode-org.atlassian.net/browse/ICU-20246
Vendor advisory: https://unicode-org.atlassian.net/browse/ICU-20246
References
- https://bugs.chromium.org/p/chromium/issues/detail?id=900059 cve@mitre.org
- https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51 cve@mitre.org
- https://unicode-org.atlassian.net/browse/ICU-20246 cve@mitre.org
- https://bugs.chromium.org/p/chromium/issues/detail?id=900059 af854a3a-2127-422b-91ae-364da2661108
- https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51 af854a3a-2127-422b-91ae-364da2661108
- https://unicode-org.atlassian.net/browse/ICU-20246 af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗