PT-2026-35671 · Artifex · Mupdf

Biniam · Published 2026-04-28 · Updated 2026-04-29 · CVE-2026-7233

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Name of the Vulnerable Software and Affected Versions Artifex MuPDF versions prior to 1.28.1

Description An out-of-bounds read exists in the CFF Index Handler component within the fz subset cff for gids() function of the subset-cff.c file. This issue allows for local execution of the attack.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Out of bounds Read

Weakness Enumeration

CWE-119

CWE-125

Related Identifiers

CVE-2026-7233

Affected Products

Mupdf

References · 16

• 🔥 https://vuldb.com/vuln/359840 · Exploit
• 🔥 https://bugs.ghostscript.com/show_bug.cgi?id=709328 · Exploit
• 🔥 https://vuldb.com/submit/802590 · Exploit
• 🔥 https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread · Exploit
• https://cve.org/CVERecord?id=CVE-2026-7233 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7233 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-7233 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-7233 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-7233 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-7233 · Vendor Advisory
• https://twitter.com/CVEnew/status/2049227586056655116 · Twitter Post
• https://vuldb.com/vuln/359840/cti · Note
• https://artifex.com · Note
• https://twitter.com/infoflowcloud/status/2049228832889020529 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2049157559009833005 · Twitter Post