CVE-2018-18928

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 v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/chromium/issues/detail?id=900059	Third Party Advisory
https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51	Patch Vendor Advisory
https://unicode-org.atlassian.net/browse/ICU-20246	Vendor Advisory
https://bugs.chromium.org/p/chromium/issues/detail?id=900059	Third Party Advisory
https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51	Patch Vendor Advisory
https://unicode-org.atlassian.net/browse/ICU-20246	Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:icu-project:international_components_for_unicode:63.1:*:*:*:*:c\/c\+\+:*:*

History

14 Oct 2026, 07:16

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-398330.html -

Information

Published : 2018-11-04 20:29

Updated : 2026-10-14 07:16

NVD link : CVE-2018-18928

Mitre link : CVE-2018-18928

CVE.ORG link : CVE-2018-18928

JSON object : View

Products Affected

icu-project

international_components_for_unicode

CWE

CWE-190

Integer Overflow or Wraparound

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