A vulnerability was discovered in Claws Mail's STARTTLS handling, possibly allowing an integrity/confidentiality compromise.
|Package||mail-client/claws-mail on all architectures|
|Affected versions||< 3.17.6|
|Unaffected versions||>= 3.17.6|
Claws Mail is a GTK based e-mail client.
It was discovered that Claws Mail was not properly handling state within the STARTTLS protocol handshake.
There may be a breach of integrity or confidentiality in connections made using Claws Mail with STARTTLS.
There is no known workaround at this time.
All Claws Mail users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=mail-client/claws-mail-3.17.6"
July 28, 2020
July 28, 2020: 1