libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames (under /dev/shm and /tmp) without O_EXCL.
Reference Links(if available):
CVSS Score (if available)
v2: / MEDIUMAV:L/AC:L/Au:N/C:N/I:C/A:C
v3: / HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H