Fedora has issued an advisory today (December 2):
Mageia 8 is also affected.
Patch available from FedoraWhiteboard:
Assigning this globally as there is no packager in view for libetpan.
The updated packages fix a security vulnerability:
Null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c. (CVE-2022-4121)
Updated packages in core/updates_testing:
Patch available from Fedora =>
MGA8-64 MATE on Acer Aspire 5253
No installation issues
Ref bug 27168 testing by using claws-mail to send ans receive mails without and with attachaments, all OK.
Validating. Advisory in Comment 2.
An update for this issue has been pushed to the Mageia Updates repository.