CVE-2026-7233
mediumA vulnerability was determined in Artifex MuPDF.
Vendor / product: Artifex — mupdf
A vulnerability was determined in Artifex MuPDF. 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
6.1
6.1 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-04-28 07:16
Modified: 2026-11-01 08:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-03 07:34 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
artifex / mupdf ≤1.27.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://bugs.ghostscript.com/show_bug.cgi?id=709328
Patch / mitigation: https://vuldb.com/submit/802590
Patch / mitigation: https://vuldb.com/vuln/359840
Patch / mitigation: https://bugs.ghostscript.com/show_bug.cgi?id=709328
Patch / mitigation: https://vuldb.com/submit/802590
References
- https://artifex.com/ cna@vuldb.com
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 cna@vuldb.com
- https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-7233 cna@vuldb.com
- https://vuldb.com/submit/802590 cna@vuldb.com
- https://vuldb.com/vuln/359840 cna@vuldb.com
- https://vuldb.com/vuln/359840/cti cna@vuldb.com
- https://bugs.ghostscript.com/show_bug.cgi?id=709328 134c704f-9b21-4f2e-91b3-4a467353bcc0
- https://vuldb.com/submit/802590 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:34 UTC · record ↗