A flaw has been found in Artifex MuPDF up to b6d17493700c621c0e70036980a6ebd06d2202c9. (CVE-2026-92413)
Description
A null pointer dereference vulnerability exists in the pdf_open_filter function of the pdf-stream.c component in Artifex MuPDF up to commit b6d17493700c621c0e70036980a6ebd06d2202c9. This flaw can be triggered remotely and may cause a denial of service. Exploit code has been published. A patch identified by commit 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e is available to fix the issue.
CVSS v3.1
Score 4.3medium
Affected software
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps/xenialpkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps/focalpkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps/jammypkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps/noblepkg:deb/ubuntu/mupdf?arch=source&distro=stonkingpkg:deb/ubuntu/mupdf?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Artifex MuPDF versions up to commit b6d17493700c621c0e70036980a6ebd06d2202c9 contain a vulnerability in the pdf_open_filter function within pdf-stream.c related to PDF Xref Loading. The flaw allows remote attackers to cause a null pointer dereference, resulting in denial of service. Exploit code has been published publicly. A patch has been released under commit 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e to address this issue.
Potential Impact
The vulnerability allows remote attackers to cause a null pointer dereference, leading to denial of service conditions. There is no impact on confidentiality or integrity. Exploitation requires user interaction and network access.
Mitigation Recommendations
A patch identified by commit 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e is available and should be applied to affected versions to resolve the issue. Applying this official fix will mitigate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-92413
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad3f52b2cdf04f6566585bb
Added to database: 10/17/2026, 22:22:35 UTC
Last enriched: 10/17/2026, 23:11:04 UTC
Last updated: 10/17/2026, 23:11:04 UTC
Views: 2
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