CVEvulnerability
CVE-2017-20190
- Status
- Deferred
- Published
- 2024-03-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- Weaknesses
- CWE-176
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.
Related
Weakness · CWE (1)
- CWE-176 Improper Handling of Unicode Encoding weakness
References
- https://aka.ms/windowsbugbar aka.ms
- https://en.wikipedia.org/wiki/Zalgo_text en.wikipedia.org
- https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234 talk.dynalist.io
- https://aka.ms/windowsbugbar aka.ms
- https://en.wikipedia.org/wiki/Zalgo_text en.wikipedia.org
- https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234 talk.dynalist.io