SageMath FlintQS 1.0 relies on pathnames under TMPDIR (typically world-writable), which (for example) allows a local user to overwrite files with the privileges of a different user (who is running FlintQS).
{ "urgency": "unimportant" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-29465.json"