CVE-2026-112036Artifex MuPDF Signature Locking pdf-xref.c free_char_list double free
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 4.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-415, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Received
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
Artifex MuPDF artifex:mupdf | 1.28.0; 1.28.1; 1.28.2; 1.28.3; 1.28.4; 1.28.5 | CNA record |
References
- https://vuldb.com/vuln/421684vdb-entry, technical-description
- https://vuldb.com/vuln/421684/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-112036third-party-advisory
- https://vuldb.com/submit/1008495third-party-advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=709768issue-tracking
- https://bugs.ghostscript.com/attachment.cgi?id=28609exploit
- http://www.ghostscript.com/cgi-bin/findgit.cgi?3984925b660afb8a781ddf504021e91be1bc671ebroken-link, patch
- https://artifex.com/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.