CVE-2026-92413 Artifex MuPDF PDF Xref Loading pdf-stream.c pdf_open_filter null pointer dereference
A remote attacker can cause a denial of service in MuPDF via a null pointer dereference in PDF stream loading, requiring a patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-92413?
CVE-2026-92413 is a medium-severity vulnerability in Artifex MuPDF, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Which versions are affected by CVE-2026-92413?
How do I fix CVE-2026-92413?
No fix has been published for CVE-2026-92413 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-92413 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92413 exists.
Sources
Also known as GHSA-pxvr-c538-2crq, UBUNTU-CVE-2026-92413.