A vulnerability was detected in Artifex MuPDF up to 1.28.5. This impacts the function free_char_list of the file source/pdf/pdf-xref.c of the component Signature Locking. Performing a manipulation results in double free. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named 3984925b660afb8a781ddf504021e91be1bc671e. To fix this issue, it is recommended to deploy a patch.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Artifex Subscribe
Mupdf Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.ghostscript.com/cgi-bin/findgit.cgi?3984925b660afb8a781ddf504021e91be1bc671e cve-icon cve-icon
https://artifex.com/ cve-icon cve-icon
https://bugs.ghostscript.com/attachment.cgi?id=28609 cve-icon cve-icon
https://bugs.ghostscript.com/show_bug.cgi?id=709768 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-112036 cve-icon cve-icon
https://vuldb.com/submit/1008495 cve-icon cve-icon
https://vuldb.com/vuln/421684 cve-icon cve-icon
https://vuldb.com/vuln/421684/cti cve-icon cve-icon
History

Mon, 19 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
Description A vulnerability was detected in Artifex MuPDF up to 1.28.5. This impacts the function free_char_list of the file source/pdf/pdf-xref.c of the component Signature Locking. Performing a manipulation results in double free. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named 3984925b660afb8a781ddf504021e91be1bc671e. To fix this issue, it is recommended to deploy a patch.
Title Artifex MuPDF Signature Locking pdf-xref.c free_char_list double free
First Time appeared Artifex
Artifex mupdf
Weaknesses CWE-119
CWE-415
CPEs cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*
Vendors & Products Artifex
Artifex mupdf
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 4.3, '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'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-19T00:45:12.234Z

Reserved: 2026-10-18T09:12:35.046Z

Link: CVE-2026-112036

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T01:16:37.677

Modified: 2026-10-19T01:16:37.677

Link: CVE-2026-112036

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T03:00:09Z

Weaknesses