# matrix-sydent (PyPI) vulnerabilities

7 known vulnerabilities (1 critical, 2 high, 2 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pypi.org/project/matrix-sydent/

## Advisories (7)

### [CVE-2023-38686](https://cve.now/CVE-2023-38686): Sydent does not verify email server certificates

- Severity: Critical 9.3
- Published: Aug 4, 2023
- Affected: fixed in 2.5.6.

### [CVE-2021-29431](https://cve.now/CVE-2021-29431): SSRF in Sydent due to missing validation of hostnames

- Severity: High 7.7
- Published: Apr 15, 2021
- Affected: fixed in 2.3.0.

### [CVE-2021-29432](https://cve.now/CVE-2021-29432): Malicious users could control the content of invitation emails

- Severity: Medium 5.3
- Published: Apr 15, 2021
- Affected: fixed in 2.3.0.

### [CVE-2021-29430](https://cve.now/CVE-2021-29430): Denial of service attack via memory exhaustion

- Severity: High 7.5
- Published: Apr 15, 2021
- Affected: fixed in 2.3.0.

### [CVE-2021-29433](https://cve.now/CVE-2021-29433): Denial of service (via resource exhaustion) due to improper input validation

- Severity: Medium 4.3
- Published: Apr 15, 2021
- Affected: fixed in 2.3.0.

### [CVE-2019-11842](https://cve.now/CVE-2019-11842): An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1.

- Severity: Unrated
- Published: May 9, 2019
- Affected: fixed in 1.0.3.

### [CVE-2019-11340](https://cve.now/CVE-2019-11340): util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the…

- Severity: Unrated
- Published: Apr 19, 2019
- Affected: fixed in 1.0.2.

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