RFC 2047 encoded display name in From: header not decoded in digests.

Bug #1565002 reported by Mark Sapiro
This bug affects 1 person
Affects Status Importance Assigned to Milestone
GNU Mailman
Mark Sapiro

Bug Description

When a message contains a From: header like

From: =?utf-8?b?Sm9obiBEb2U=?= <email address hidden>

the display name is shown as '=?utf-8?b?Sm9obiBEb2U=?=' in the digest TOC and in the pseudo From: header in the plain text digest instead of being decoded as "John Doe".

Revision history for this message
Mark Sapiro (msapiro) wrote :

It turns out this issue is a broken MUA composing the message. The encoded word in the header was quoted. The actual From: was like

From: "=?utf-8?b?Sm9obiBEb2U=?=" <email address hidden>

The quotes caused the encoded word to be taken literally which is the proper behavior. This could be defended against by checking if the name looks like an RFC 2047 encoded word and trying to decode it, but I don't think it's worth it so I'm marking this invalid.

Changed in mailman:
importance: Medium → Undecided
milestone: 2.1.22 → none
status: In Progress → Invalid
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