# CVE-2024-36403: matrix-media-repo (MMR) allows denial of service/high operating costs through unauthenticated downloads

Source: https://junglewise.ai/threats/cve-2024-36403-matrix-media-repo-mmr-allows-denial-of-service-high-operating  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-01-16  
License: CC BY 4.0 with a link back

CVE-2024-36403 · Severity: low · CVSS 3.1 · Published 2025-01-16

matrix-media-repo (MMR) allows denial of service/high operating costs through unauthenticated downloads in github.com/t2bot/matrix-media-repo

Technologies: [github.com/t2bot/matrix-media-repo (Go)](https://junglewise.ai/threats/technologies/github-com-t2bot-matrix-media-repo). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2024-36403 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-36403 being exploited in the wild.

**How severe is CVE-2024-36403?** Low severity, with a CVSS score of 3.1, published 16 January 2025.

**Which products and versions are affected?** github.com/t2bot/matrix-media-repo (Go) SEMVER:introduced=0,fixed=1.3.5.

**Is there a fix for CVE-2024-36403?** Yes. github.com/t2bot/matrix-media-repo (Go): upgrade to 1.3.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-36403?** Check whether you run github.com/t2bot/matrix-media-repo (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/t2bot/matrix-media-repo (Go): upgrade to 1.3.5 or later

  ```sh
  go get github.com/t2bot/matrix-media-repo@v1.3.5
  ```


## Affected products

- github.com/t2bot/matrix-media-repo (Go) SEMVER:introduced=0,fixed=1.3.5

## Identifiers

- CVE-2024-36403
- GHSA-vc2m-hw89-qjxf
- GO-2025-3401

## Related threats

- [Matrix Media Repo (MMR) allows Server-Side Request Forgery (SSRF) on redirects and federation](https://junglewise.ai/threats/cve-2024-52602-matrix-media-repo-mmr-allows-server-side-request-forgery-ssrf-on)
- [matrix-media-repo (MMR) allows unauthenticated writes to the media repository, which may allow planting of problematic content](https://junglewise.ai/threats/cve-2024-36402-matrix-media-repo-mmr-allows-unauthenticated-writes-to-the-media)
- [Matrix Media Repo (MMR) allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders](https://junglewise.ai/threats/cve-2024-56515-matrix-media-repo-mmr-allows-untrusted-file-formats-can-be)
- [GO-2025-3398 - matrix-media-repo (MMR) allows a denial of service through memory exhaustion in github.com/t2bot/matrix-media-repo](https://junglewise.ai/threats/cve-2024-52791-matrix-media-repo-mmr-allows-a-denial-of-service-through-memory)