CVE-2021-43801

Uncaught Exception in mercurius

Published Dec 13, 2021 CVSS 3.1 · 7.5 High EPSS 1.6% KEV · Not listed
Description
Mercurius is a GraphQL adapter for Fastify. Any users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler. The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2. As a workaround users may use a custom error handler.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-2420 Mercurius is a GraphQL adapter for Fastify. Any users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler. The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2. As a workaround users may use a custom error handler.
Github GHSA Github GHSA GHSA-273r-rm8g-7f3x Uncaught Exception in mercurius
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 4, 2024, 4:03 AM
Reserved
Nov 16, 2021, 12:00 AM
Status
Modified
Published
Dec 13, 2021, 8:15 PM
Modified
Jun 17, 2026, 4:11 AM