CVE-2026-7233Artifex MuPDF CFF Index subset-cff.c fz_subset_cff_for_gids out-of-bounds
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.
- CVSS
- 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-125, 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
- Modified
- Record last updated
- May 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Artifex MuPDF artifex:mupdf | 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; and 21 more ranges | CNA record |
artifex mupdf artifex:mupdf | through 1.27.2 | NVD |
References
- https://vuldb.com/vuln/359840vdb-entry, technical-description, exploit, mitigation, third-party-advisory
- https://vuldb.com/vuln/359840/ctisignature, permissions-required, vdb-entry
- https://vuldb.com/submit/802590third-party-advisory, exploit, mitigation, vdb-entry
- https://bugs.ghostscript.com/show_bug.cgi?id=709328issue-tracking, exploit, mitigation, third-party-advisory
- https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobreadexploit
- 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.