CVE catalog

CVE-2026-7233

Severity: Low · CVSS 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Published: Apr 28, 2026, 6:00:18 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.24% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mupdf	sid	`1.28.2+ds1-2`	vulnerable
Debian	mupdf	forky	`1.28.2+ds1-2`	vulnerable
Debian	mupdf	trixie	`1.25.1+ds1-6+deb13u1`	vulnerable
Debian	mupdf	trixie-security	`1.25.1+ds1-6+deb13u1`	vulnerable
Debian	mupdf	bookworm	`1.21.1+ds2-1+deb12u1`	vulnerable
Debian	mupdf	bookworm-security	`1.21.1+ds2-1+deb12u1`	vulnerable
Cpe	mupdf	Not reported	Not reported	vulnerable
Cpe	mupdf	Not reported	Not reported	unknown
Cpe	mupdf	Not reported	Not reported	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mupdf	source	sid	`(unfixed)`	not yet assigned	Not reported	[1135372]
Debian	mupdf	source	forky	`(unfixed)`	not yet assigned	Not reported	[1135372]
Debian	mupdf	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1135372]
Debian	mupdf	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1135372]

[Debian bug #1135372]

Notes

[trixie] mupdf: Minor issue [bookworm] mupdf: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libmupdf-dev]Affected
Source package: [mupdf]
Details (4)
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
[mupdf]Affected
Details (4)
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
[mupdf-tools]Affected
Source package: [mupdf]
Details (4)
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12
- 1.21.1+ds2-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · mupdf · debian · bookworm; nvd · mupdf · debian · 12

[Debian 13 (Trixie)]

[libmupdf25.1]Affected
Source package: [mupdf]
Details (4)
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
[libmupdf-dev]Affected
Source package: [mupdf]
Details (4)
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
[mupdf]Affected
Details (4)
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
[mupdf-tools]Affected
Source package: [mupdf]
Details (4)
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
[python3-mupdf]Affected
Source package: [mupdf]
Details (4)
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · mupdf · debian · 13
- 1.25.1+ds1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · mupdf · debian · 13

Observed: Oct 27, 2026, 7:55:07 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]