Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-18928

30
FAUCET Score

CVE-2018-18928 is a critical integer overflow vulnerability (CWE-190) affecting International Components for Unicode (ICU) for C/C++ version 63.1 in the number::impl::DecimalQuantity::toScientificString() function. With a CVSS score of 9.8, this vulnerability is easily exploitable over a network with no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no known public exploit code, active exploitation, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
63.1CPE matchmatch criteria
cpe:2.3:a:icu-project:international_components_for_unicode:63.1:*:*:*:*:c\/c\+\+:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.92%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0292 is in the 77th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-18928Low

icu: integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp

Oct 30, 2018

References

bugs.chromium.org / p/chromium/issues/detail
Third Party Advisory
github.com / unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51
PatchVendor Advisory
unicode-org.atlassian.net / browse/ICU-20246
Vendor Advisory