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Vulnerability details: VCID-xvtf-unp2-xudm
Vulnerability ID VCID-xvtf-unp2-xudm
Aliases CVE-2018-18928
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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18928.json
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
epss 0.02778 https://api.first.org/data/v1/epss?cve=CVE-2018-18928
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18928
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-18928
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18928.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18928
https://bugs.chromium.org/p/chromium/issues/detail?id=900059
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18928
https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51
https://unicode-org.atlassian.net/browse/ICU-20246
1646702 https://bugzilla.redhat.com/show_bug.cgi?id=1646702
cpe:2.3:a:icu-project:international_components_for_unicode:63.1:*:*:*:*:c\/c\+\+:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:icu-project:international_components_for_unicode:63.1:*:*:*:*:c\/c\+\+:*:*
CVE-2018-18928 https://nvd.nist.gov/vuln/detail/CVE-2018-18928
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18928.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18928
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18928
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.85492
EPSS Score 0.02778
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:58:22.022797+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-18928 37.0.0