Description
A flaw has been found in Artifex MuPDF up to b6d17493700c621c0e70036980a6ebd06d2202c9. Affected by this vulnerability is the function pdf_open_filter of the file pdf-stream.c of the component PDF Xref Loading. Executing a manipulation can lead to null pointer dereference. The attack can be launched remotely. The exploit has been published and may be used. This patch is called 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e. Applying a patch is advised to resolve this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Artifex | MuPDF | b6d17493700c621c0e70036980a6ebd06d2202c9 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mupdf | No fix yet | — |
| Ubuntu 26.04 LTS | mupdf | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | mupdf | No fix yet | — |
| Ubuntu Pro 22.04 LTS | mupdf | No fix yet | — |
| Ubuntu Pro 20.04 LTS | mupdf | No fix yet | — |
| Ubuntu Pro 18.04 LTS | mupdf | No fix yet | — |
| Ubuntu Pro 16.04 LTS | mupdf | No fix yet | — |
References
- VDB-405593 | Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereference vdb-entry technical-description
- VDB-405593 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-92413 | CVE Analysis and Report third-party-advisory
- Submit #940975 | Artifex Software MuPDF mutool commit b6d17493700c621c0e70036980a6ebd06d2202c9 NULL pointer dereference third-party-advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=709610 issue-tracking
- https://bugs.ghostscript.com/attachment.cgi?id=28434 exploit
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=3df1e30f9d7b77260e13bd0dbe1928ddeba8386e patch
- https://artifex.com/ product