In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16094
Reference (s):
- FEDORA:FEDORA-2020-1f60842034
- URL: https://lists.fedoraproject.org/archives/list/[email protected]/message/YNJIXYDMSXYDII4ERMQ4EEKZX64U3QR4/
- FEDORA:FEDORA-2020-67d9661fe2
- URL: https://lists.fedoraproject.org/archives/list/[email protected]/message/JUBLHUG2UCXVABAGN5FVTD3AB3YKE5NN/
- FEDORA:FEDORA-2020-90e2b01f4a

