| Package | Affected versions | Patched versions |
|---|---|---|
| msn messenger | = 1.0= 2.0= 2.2= 3.0= 3.6= 4.0= 4.5= 4.6 |
Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.
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