lppasswd in CUPS 1.1.22, when run in environments that do not ensure that file descriptors 0, 1, and 2 are open when lppasswd is called, does not verify that the passwd.new file is different from STDERR, which allows local users to control output to

Buffer overflow in the ParseCommand function in hpgl-input.c in the hpgltops program for CUPS 1.1.22 allows remote attackers to execute arbitrary code via a crafted HPGL file.

lppasswd in CUPS 1.1.22 does not remove the passwd.new file if it encounters a file-size resource limit while writing to passwd.new, which causes subsequent invocations of lppasswd to fail.

lppasswd in CUPS 1.1.22 ignores write errors when modifying the CUPS passwd file, which allows local users to corrupt the file by filling the associated file system and triggering the write errors.