Lucene search
HistoryMar 27, 2024 - 12:15 a.m.
CVE-2017-20190
cve-2017-20190
unicode combining characters
zalgo text attack
windows 8
windows 11
temporary performance degradation
computational cost
unicode data vulnerability
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.
