https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-18T12:16:39.741080+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-29433 CVE-2021-29433 — Denial of service (via resource exhaustion) due to improper input validation 2026-10-18T12:16:39.742769+00:00

Affected: matrix-org sydent

Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.

 https://cve.radiocsirt.org/vuln/pysec-2021-24 PYSEC-2021-24 2026-10-18T12:16:39.742821+00:00

Affected: PyPI: matrix-sydent

### Impact Missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. ### Patches Fixed by 3175fd3. ### Workarounds There are no known workarounds. ### References n/a ### For more information If you have any questions or comments about this advisory, email us at security@matrix.org.