The 55_options_traceback.dpatch patch for mailman 2.1.5 in Ubuntu 4.10 displays a different error message depending on whether the e-mail address is subscribed to a private list, which allows remote malicious users to determine the list membership for a given e-mail address.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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gnu mailman 2.1.5 |
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ubuntu ubuntu linux 4.10 |