The tempnameensure function in lib/routines.h in a2ps 4.14 and earlier, as used by the spyuser function and possibly other functions, allows local users to modify arbitrary files via a symlink attack on a temporary file.
{ "urgency": "low" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2001-1593.json"