CVE-2024-52805

HIGH

7.5

Description

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/3/2024

Last Modified8/26/2025

Sourcenvd

Honeypot Sightings0

Affected Products

matrix:synapse

Weaknesses (CWE)

CWE-770

References

https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2(security-advisories@github.com)

https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518(security-advisories@github.com)

https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609(security-advisories@github.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.