| Package | Affected versions | Patched versions |
|---|---|---|
| communicator | = 4.0= 4.5= 4.51= 4.6= 4.61= 4.7= 4.72= 4.73 |
Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site's DNS information.
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