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.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNJIXYDMSXYDII4ERMQ4EEKZX64U3QR4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUBLHUG2UCXVABAGN5FVTD3AB3YKE5NN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CRKHUOVTJBHT53J4CYU53PXYYQKSGEA/
Source: Mitre, NVD
Published: 2020-07-28
Updated: 2023-11-07
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High