CVE-2026-112036: Double Free in Artifex MuPDF
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.
CVSS v4.0
Score 5.3medium
Affected software
Artifex
MuPDF
cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-18T09:12:35.046Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad568f52cdf04f656d158eb
Added to database: 10/19/2026, 00:48:53 UTC
Last updated: 10/19/2026, 00:48:53 UTC
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.