Medium
mupdf — security advisory
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.
- Products
- mupdf
- Affected versions
- 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, 1.15.0+ds1-1, 1.16.1+ds1-1ubuntu1, 1.16.1+ds1-1ubuntu1+esm1, 1.16.1+ds1-1ubuntu1+esm2, 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, 1.22.2+ds1-2, 1.22.2+ds1-2build1, 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, 1.23.6+ds1-1, 1.23.7+ds1-1, 1.25.1+ds1-5build2, 1.25.1+ds1-6, 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, 1.27.0+ds1-3ubuntu3, 1.7-1, 1.7a-1, 1.7a-1ubuntu0.1~esm1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-7233
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:15 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-7233
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
mupdf
Fixed versions: Not specified
Complete source record
{
"id": "c87b7dee9463a2919a31f33873e236b37052f23b3efae8c19f43c2752c718f12",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-7233",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-7233",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2026-7233",
"products": [
{
"name": {
"value": "mupdf",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.7-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.7a-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.7a-1ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.11+ds1-1.1",
"evidence": "/affected/1/versions"
},
{
"value": "1.11+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.12.0+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.12.0+ds1-1ubuntu0.1~esm1",
"evidence": "/affected/1/versions"
},
{
"value": "1.12.0+ds1-1ubuntu0.1~esm2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.15.0+ds1-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.16.1+ds1-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1.16.1+ds1-1ubuntu1+esm1",
"evidence": "/affected/2/versions"
},
{
"value": "1.16.1+ds1-1ubuntu1+esm2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.17.0+ds1-2",
"evidence": "/affected/3/versions"
},
{
"value": "1.19.0+ds1-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.19.0+ds1-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "1.19.0+ds1-2",
"evidence": "/affected/3/versions"
},
{
"value": "1.19.0+ds1-2ubuntu0.1~esm1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.2+ds1-2",
"evidence": "/affected/4/versions"
},
{
"value": "1.22.2+ds1-2build1",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.6+ds1-1",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.7+ds1-1",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.10+ds1-1",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.10+ds1-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.10+ds1-1build2",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.10+ds1-1build3",
"evidence": "/affected/4/versions"
},
{
"value": "1.23.10+ds1-1ubuntu0.1~esm1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.25.1+ds1-5build2",
"evidence": "/affected/5/versions"
},
{
"value": "1.25.1+ds1-6",
"evidence": "/affected/5/versions"
},
{
"value": "1.25.1+ds1-7",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.27.0+ds1-3ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "1.27.0+ds1-3ubuntu3",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "mupdf",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.25.1+ds1-7",
"evidence": "/affected/7/versions"
},
{
"value": "1.25.1+ds1-7build1",
"evidence": "/affected/7/versions"
},
{
"value": "1.25.1+ds1-7build2",
"evidence": "/affected/7/versions"
},
{
"value": "1.27.0+ds1-2ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "1.27.0+ds1-3ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "1.27.0+ds1-3ubuntu2",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-7233",
"aliases": [
"UBUNTU-CVE-2026-7233"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"
},
{
"type": "CVSS_V4",
"score": "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"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.7-1",
"1.7a-1",
"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"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mupdf",
"binary_version": "1.7a-1ubuntu0.1~esm1"
},
{
"binary_name": "mupdf-tools",
"binary_version": "1.7a-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"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"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"1.15.0+ds1-1",
"1.16.1+ds1-1ubuntu1",
"1.16.1+ds1-1ubuntu1+esm1",
"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"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fjammy",
"ecosystem": "Ubuntu:Pro:22.04:LTS"
},
"versions": [
"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"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"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"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.25.1+ds1-5build2",
"1.25.1+ds1-6",
"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"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.27.0+ds1-3ubuntu2",
"1.27.0+ds1-3ubuntu3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmupdf27.0",
"binary_version": "1.27.0+ds1-3ubuntu3"
},
{
"binary_name": "mupdf",
"binary_version": "1.27.0+ds1-3ubuntu3"
},
{
"binary_name": "mupdf-tools",
"binary_version": "1.27.0+ds1-3ubuntu3"
},
{
"binary_name": "python3-mupdf",
"binary_version": "1.27.0+ds1-3ubuntu3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mupdf",
"purl": "pkg:deb/ubuntu/mupdf?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"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"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"
},
"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"
}
]
}
}
],
"modified": "2026-10-17T13:00:48.164191045Z",
"provider": "osv",
"upstream": [
"CVE-2026-7233"
],
"references": [
"https://ubuntu.com/security/CVE-2026-7233",
"https://www.cve.org/CVERecord?id=CVE-2026-7233",
"https://bugs.ghostscript.com/show_bug.cgi?id=709328"
]
},
"related_cves": [
{
"value": "CVE-2026-7233",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 360845,
"published_at": "2026-04-28T07:16:00+00:00"
}