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CVE-2021-29433

CVE-2021-29433 · Denial of service (via resource exhaustion) due to improper input validation

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 4.3 · Medium · EPSS 0.9% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • sydent

    Versions
    • <= 2.2.0: Affected

    No fix published

  • matrix-sydent PyPI

    Versions
    • 2.0.0
    • 2.0.1
    • 2.1.0
    • 2.2.0
    Affected ranges
    • ECOSYSTEM: < 2.3.0

    Update to 2.3.0

Original sources

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