https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-12T11:15:17.711232+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2018-12291 CVE-2018-12291 2026-10-12T11:15:17.713030+00:00

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.

 https://cve.radiocsirt.org/vuln/usn-6076-1 USN-6076-1 — matrix-synapse vulnerabilities 2026-10-12T11:15:17.713072+00:00

Affected: Ubuntu:Pro:18.04:LTS: matrix-synapse

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2019-18835, CVE-2018-12291, CVE-2018-10657)

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to hijack the session. (CVE-2019-11842, CVE-2018-12423)

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to perform spoofing or user impersonation. (CVE-2019-5885, CVE-2018-16515)