Bug 2555338 (CVE-2026-112036) - CVE-2026-112036 mupdf: mupdf: Denial of service via double-free in signature locking
Summary: CVE-2026-112036 mupdf: mupdf: Denial of service via double-free in signature ...
Keywords:
Status: NEW
Alias: CVE-2026-112036
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2558213
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-19 00:51 UTC by OSIDB Bzimport
Modified: 2026-10-21 11:28 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
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Embargoed:

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Description OSIDB Bzimport 2026-10-19 00:51:33 UTC 
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.
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