| Package | Affected versions | Patched versions |
|---|---|---|
| ie | = 4.0= 4.0.1= 4.1 | |
| internet explorer | = 4.0= 4.0.1= 5.5= 6.0 |
Microsoft Internet Explorer 4.0 through 6.0 could allow local users to differentiate between alphanumeric and non-alphanumeric characters used in a password by pressing certain control keys that jump between non-alphanumeric characters, which makes it easier to conduct a brute-force password guessing attack.
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