https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-28T11:42:37.954952+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2018-1000656 CVE-2018-1000656 2026-09-28T11:42:38.198177+00:00

The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.

 https://vulnerability.circl.lu/vuln/usn-4378-1 USN-4378-1 — flask vulnerability 2026-09-28T11:42:38.198301+00:00

Affected: Ubuntu:Pro:14.04:LTS: flask, Ubuntu:16.04:LTS: flask, Ubuntu:18.04:LTS: flask

It was discovered that Flask incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service.