Vulnerability · Published Sep 16, 2026 · Assigned by VulDB
CVE-2026-92413Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereference
Medium 4.3
In plain English
A medium-severity null pointer dereference in MuPDF from Artifex. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:26.04:LTS | mupdf | no fix listed | UBUNTU-CVE-2026-92413 |
| Ubuntu:26.10 | mupdf | no fix listed | UBUNTU-CVE-2026-92413 |
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
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