GHSA-JXPF-XQ2M-Q525 OpenMcdf has an Infinite loop DoS via crafted CFB directory cycle

Summary OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary CFB document. A crafted CFB file with a cycle in the LeftSiblingID / RightSiblingID chain causes Storage.EnumerateEntries and Storage.OpenStream to loop indefinitely, consuming the calling thre...