CVE-2021-29433
- Source
- https://cve.org/CVERecord?id=CVE-2021-29433
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29433.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-29433
- Aliases
- Published
- 2021-04-15T18:15:12Z
- Modified
- 2026-10-20T10:54:36Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/matrix-org/sydent
Affected ranges
- Type
- GIT
- Repo
- https://github.com/matrix-org/sydent
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixed
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*", "range": [ { "introduced": "0" }, { "fixed": "2.3.0" } ], "source": "CPE_RANGE" }, { "range": [ { "fixed": "3175fd358ebc2c310eab7a3dbf296ce2bd54c1da" } ], "source": "REFERENCES_COMMIT" } ] }