PatchTheCVECVE-2024-56515: Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix
CVE-2024-56515 is a medium-severity flaw (CVSS 6.8) affecting matrix-media-repo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. If SVG or JPEGXL thumbnailers are enabled (they are disabled by default), a user may upload a file which claims to be either of these types and request a thumbnail to invoke a different decoder in ImageMagick. In some ImageMagick installations, this includes the capability to run Ghostscript to decode the image/file. If MP4 thumbnailers are enabled (als
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2025-01-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-56515?
matrix-media-repo: upgrade to 1.3.8. Exact commands for each OS are on this page.
Is CVE-2024-56515 being exploited?
CVE-2024-56515 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-56515 affect?
CVE-2024-56515 affects matrix-media-repo. Severity is medium (CVSS 6.8). Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. If SVG or JPEGXL thumbnailers are enabled (they are disabled by default), a user may upload a file which claims to be either of these types and r
How urgent is CVE-2024-56515?
Priority 37/100. No elevated risk signals yet.
Software pages
ImageMagick vulnerabilities · Ghostscript vulnerabilities
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