Mailman can create a non-ascii or improperly RFC 2047encoded From: header.

Bug #1536816 reported by Mark Sapiro
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
GNU Mailman
Fix Released
Medium
Mark Sapiro

Bug Description

When creating the new From: header for a message with from_is_list or dmarc_moderation_action set to Munge From or Wrap Message, if the incoming From: has no display name so Mailman gets the display name from the poster's list member data, and that name contains non-ascii, Mailman puts the non-ascii display name in the new From: header and subsequent processing can see the non-ascii and attempt to RFC 2047 encode it, but do that improperly.

Related branches

Mark Sapiro (msapiro)
summary: - Mailman can create a non-ascii or improperly RFC 2047encoded From"
+ Mailman can create a non-ascii or improperly RFC 2047encoded From:
header.
Changed in mailman:
status: In Progress → Fix Committed
Mark Sapiro (msapiro)
Changed in mailman:
milestone: 2.1.21 → 2.1.21rc1
status: Fix Committed → Fix Released
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