https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-18T13:49:20.690861+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-26334 EUVD-2026-26334 2026-10-18T13:49:20.694103+00:00 EUVD-2026-26334 https://cve.radiocsirt.org/vuln/fkie_cve-2021-29433 fkie_cve-2021-29433 2026-10-18T13:49:20.694137+00:00

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/ghsa-pw4v-gr34-2553 GHSA-pw4v-gr34-2553 — Sydent DoS (via resource exhaustion) due to improper input validation 2026-10-18T13:49:20.694168+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.

### For more information

If you have any questions or comments about this advisory, email us at security@matrix.org.

 https://cve.radiocsirt.org/vuln/gsd-2021-29433 gsd-2021-29433 2026-10-18T13:49:20.694197+00:00 gsd-2021-29433 https://cve.radiocsirt.org/vuln/pysec-2021-24 PYSEC-2021-24 2026-10-18T13:49:20.694209+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.