GO-2025-3400 Matrix Media Repo (MMR) allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in github.com/t2bot/matrix-media-repo

Matrix Media Repo MMR allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in github.com/t2bot/matrix-media-repo...

Matrix Media Repo (MMR) allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders

Impact 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...

GHSA-RCXC-WJGW-579R Matrix Media Repo (MMR) allows untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders

Impact 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...

CVE-2024-56515

CVE-2024-56515 affects Matrix Media Repo (MMR). The issue arises when enabling SVG/JPEGXL/MP4 thumbnailers may allow a crafted upload to trigger a decoder in ImageMagick or ffmpeg, potentially leading to code execution in some environments. MMR v1.3.8 fixes the problem by validating media mimetyp...

CVE-2024-56515 Untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in Matrix Media Repo

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...

CVE-2024-56515 Untrusted file formats can be thumbnailed, invoking potentially further untrusted decoders in Matrix Media Repo

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...