CVE - CVE-2025-4727

CVE-ID
CVE-2025-4727	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to inefficient regular expression complexity. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.2 is able to address this issue. The identifier of the patch is f7ea6817b90952baaea9baace2a3b4366fee6a63. It is recommended to upgrade the affected component.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:Submit #570441 \| meteor https://www.meteor.com/ <=3.2.1 Inefficient Regular Expression Complexity URL:https://vuldb.com/?submit.570441 MISC:VDB-309029 \| CTI Indicators (IOB, IOC, TTP, IOA) URL:https://vuldb.com/?ctiid.309029 MISC:VDB-309029 \| Meteor livedata_server.js Object.assign redos URL:https://vuldb.com/?id.309029 MISC:https://github.com/meteor/meteor/commit/f7ea6817b90952baaea9baace2a3b4366fee6a63 URL:https://github.com/meteor/meteor/commit/f7ea6817b90952baaea9baace2a3b4366fee6a63 MISC:https://github.com/meteor/meteor/issues/13713 URL:https://github.com/meteor/meteor/issues/13713 MISC:https://github.com/meteor/meteor/pull/13721 URL:https://github.com/meteor/meteor/pull/13721 MISC:https://github.com/meteor/meteor/releases/tag/release/METEOR%403.2.2 URL:https://github.com/meteor/meteor/releases/tag/release/METEOR%403.2.2
Assigning CNA
VulDB
Date Record Created
20250515	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250515)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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