UBUNTU-CVE-2026-7233

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Source
https://ubuntu.com/security/CVE-2026-7233
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-7233
Upstream
Published
2026-04-28T07:16:00Z
Modified
2026-05-26T19:29:36Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:25.10
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.25.1+ds1-5build2
1.25.1+ds1-6
1.25.1+ds1-7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmupdf25.1",
            "binary_version": "1.25.1+ds1-7"
        },
        {
            "binary_name": "mupdf",
            "binary_version": "1.25.1+ds1-7"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.25.1+ds1-7"
        },
        {
            "binary_name": "python3-mupdf",
            "binary_version": "1.25.1+ds1-7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:26.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.25.1+ds1-7
1.25.1+ds1-7build1
1.25.1+ds1-7build2
1.27.0+ds1-2ubuntu1
1.27.0+ds1-3ubuntu1
1.27.0+ds1-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmupdf27.0",
            "binary_version": "1.27.0+ds1-3ubuntu2"
        },
        {
            "binary_name": "mupdf",
            "binary_version": "1.27.0+ds1-3ubuntu2"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.27.0+ds1-3ubuntu2"
        },
        {
            "binary_name": "python3-mupdf",
            "binary_version": "1.27.0+ds1-3ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:Pro:16.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7-1
1.7a-1
1.7a-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mupdf",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:Pro:18.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.11+ds1-1.1
1.11+ds1-2
1.12.0+ds1-1
1.12.0+ds1-1ubuntu0.1~esm1
1.12.0+ds1-1ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mupdf",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:Pro:20.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.15.0+ds1-1
1.16.1+ds1-1ubuntu1
1.16.1+ds1-1ubuntu1+esm1
1.16.1+ds1-1ubuntu1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mupdf",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm2"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:Pro:22.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.17.0+ds1-2
1.19.0+ds1-1
1.19.0+ds1-1build1
1.19.0+ds1-2
1.19.0+ds1-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mupdf",
            "binary_version": "1.19.0+ds1-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.19.0+ds1-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
Ubuntu:Pro:24.04:LTS
mupdf

Package

Name
mupdf
Purl
pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.22.2+ds1-2
1.22.2+ds1-2build1
1.23.6+ds1-1
1.23.7+ds1-1
1.23.10+ds1-1
1.23.10+ds1-1build1
1.23.10+ds1-1build2
1.23.10+ds1-1build3
1.23.10+ds1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mupdf",
            "binary_version": "1.23.10+ds1-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "mupdf-tools",
            "binary_version": "1.23.10+ds1-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"