CVE-2017-20190

Published Mar 26, 2024 CVSS n/a EPSS < 1% KEV · Not listed
Description
Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a "Zalgo text" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-176
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 8, 2024, 6:54 PM
Reserved
Mar 26, 2024, 12:00 AM
Status
Deferred
Published
Mar 27, 2024, 12:15 AM
Modified
Jun 17, 2026, 1:15 AM