Vulnerability Description
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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Mupdf | <= 1.27.2 |
Related Weaknesses (CWE)
References
- https://artifex.com/Product
- https://bugs.ghostscript.com/show_bug.cgi?id=709328ExploitMitigationThird Party Advisory
- https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobreadExploit
- https://vuldb.com/submit/802590ExploitMitigationThird Party Advisory
- https://vuldb.com/vuln/359840ExploitMitigationThird Party Advisory
- https://vuldb.com/vuln/359840/ctiPermissions RequiredVDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=709328ExploitMitigationThird Party Advisory
- https://vuldb.com/submit/802590ExploitMitigationThird Party Advisory
FAQ
What is CVE-2026-7233?
CVE-2026-7233 is a vulnerability with a CVSS score of 3.3 (LOW). 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...
How severe is CVE-2026-7233?
CVE-2026-7233 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-7233?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Mupdf.