CVE-2026-112036

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductArtifex Mupdf
PublishedOct 19, 2026
First seenOct 19, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
artifex mupdf1.28.0, 1.28.1, 1.28.2, 1.28.3, 1.28.4, 1.28.5—

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CVE-2026-112036 · Artifex Mupdf · Dark Radar