Medium
ipe, xpdf — security advisory
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
- Products
- ipe, xpdf
- Affected versions
- 3.03-17ubuntu2, 3.03-17ubuntu3, 3.03-17ubuntu5, 3.03-18, 3.04+git20210103-3build1, 3.04+git20211021-1, 3.04+git20211021-1ubuntu1, 3.04+git20220201-1, 3.04+git20220601-1ubuntu1, 3.04+git20220601-1ubuntu2, 3.04+git20231213-1, 3.04+git20240118-1, 3.04+git20240124-1, 3.04+git20240202-1, 3.04+git20240202-1build1, 3.04+git20240202-1build2, 3.04+git20240202-1build3, 3.04+git20250304-1, 3.04+git20250304-1build1, 3.04+git20260220-1, 3.04+git20260220-1ubuntu1, 3.04+git20260802-1, 3.04-1, 3.04-1build1, 3.04-1ubuntu1, 3.04-1ubuntu1.1, 3.04-4build1, 3.04-5, 3.04-5ubuntu2, 3.04-6ubuntu1, 3.04-7, 7.1.10-1, 7.1.10-1.1, 7.1.4-2.1, 7.1.8-1, 7.2.13-2, 7.2.13-2build1, 7.2.23+dfsg1-2, 7.2.24+dfsg1-1, 7.2.24+dfsg1-1build1, 7.2.27+dfsg1-2, 7.2.28-2, 7.2.28-2.1build2, 7.2.28-2.1build3, 7.2.28-2.1build4, 7.2.30-1build1, 7.2.30-1build2, 7.2.30-2, 7.2.7-2, 7.2.7-3, 7.2.9-1
- Fixed versions
- Not specified
- CVEs
- CVE-2018-18456
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:27 UTC · Revision 1
Source evidence
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
osv:UBUNTU-CVE-2018-18456
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
ipe
Fixed versions: Not specified
xpdf
Fixed versions: Not specified
Complete source record
{
"id": "c6f71de5fdd12418bd5204d644f7788410e5029d68a809ac8c9440368f495b0a",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-18456",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-18456",
"summary": "The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.",
"evidence": "osv:UBUNTU-CVE-2018-18456",
"products": [
{
"name": {
"value": "ipe",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.1.4-2.1",
"evidence": "/affected/0/versions"
},
{
"value": "7.1.8-1",
"evidence": "/affected/0/versions"
},
{
"value": "7.1.10-1",
"evidence": "/affected/0/versions"
},
{
"value": "7.1.10-1.1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.03-17ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "3.03-17ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3.03-17ubuntu5",
"evidence": "/affected/1/versions"
},
{
"value": "3.03-18",
"evidence": "/affected/1/versions"
},
{
"value": "3.04-1",
"evidence": "/affected/1/versions"
},
{
"value": "3.04-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "3.04-1ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3.04-1ubuntu1.1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.7-2",
"evidence": "/affected/2/versions"
},
{
"value": "7.2.7-3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04-4build1",
"evidence": "/affected/3/versions"
},
{
"value": "3.04-5",
"evidence": "/affected/3/versions"
},
{
"value": "3.04-5ubuntu2",
"evidence": "/affected/3/versions"
},
{
"value": "3.04-6ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "3.04-7",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.9-1",
"evidence": "/affected/4/versions"
},
{
"value": "7.2.13-2",
"evidence": "/affected/4/versions"
},
{
"value": "7.2.13-2build1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.23+dfsg1-2",
"evidence": "/affected/5/versions"
},
{
"value": "7.2.24+dfsg1-1",
"evidence": "/affected/5/versions"
},
{
"value": "7.2.24+dfsg1-1build1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04+git20210103-3build1",
"evidence": "/affected/6/versions"
},
{
"value": "3.04+git20211021-1",
"evidence": "/affected/6/versions"
},
{
"value": "3.04+git20211021-1ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "3.04+git20220201-1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.27+dfsg1-2",
"evidence": "/affected/7/versions"
},
{
"value": "7.2.28-2",
"evidence": "/affected/7/versions"
},
{
"value": "7.2.28-2.1build2",
"evidence": "/affected/7/versions"
},
{
"value": "7.2.28-2.1build3",
"evidence": "/affected/7/versions"
},
{
"value": "7.2.28-2.1build4",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04+git20220601-1ubuntu1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20220601-1ubuntu2",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20231213-1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240118-1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240124-1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240202-1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240202-1build1",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240202-1build2",
"evidence": "/affected/8/versions"
},
{
"value": "3.04+git20240202-1build3",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.30-1build1",
"evidence": "/affected/9/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04+git20250304-1",
"evidence": "/affected/10/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.30-1build2",
"evidence": "/affected/11/versions"
},
{
"value": "7.2.30-2",
"evidence": "/affected/11/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04+git20260220-1",
"evidence": "/affected/12/versions"
},
{
"value": "3.04+git20260220-1ubuntu1",
"evidence": "/affected/12/versions"
},
{
"value": "3.04+git20260802-1",
"evidence": "/affected/12/versions"
}
]
},
{
"name": {
"value": "ipe",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.30-1build1",
"evidence": "/affected/13/versions"
},
{
"value": "7.2.30-1build2",
"evidence": "/affected/13/versions"
}
]
},
{
"name": {
"value": "xpdf",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.04+git20250304-1",
"evidence": "/affected/14/versions"
},
{
"value": "3.04+git20250304-1build1",
"evidence": "/affected/14/versions"
},
{
"value": "3.04+git20260220-1",
"evidence": "/affected/14/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2018-18456",
"aliases": [
"UBUNTU-CVE-2018-18456"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "negligible"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"7.1.4-2.1",
"7.1.8-1",
"7.1.10-1",
"7.1.10-1.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.1.10-1.1"
},
{
"binary_name": "libipe7.1.10",
"binary_version": "7.1.10-1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"3.03-17ubuntu2",
"3.03-17ubuntu3",
"3.03-17ubuntu5",
"3.03-18",
"3.04-1",
"3.04-1build1",
"3.04-1ubuntu1",
"3.04-1ubuntu1.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04-1ubuntu1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"7.2.7-2",
"7.2.7-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.7-3"
},
{
"binary_name": "libipe7.2.7",
"binary_version": "7.2.7-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"3.04-4build1",
"3.04-5",
"3.04-5ubuntu2",
"3.04-6ubuntu1",
"3.04-7"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04-7"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"7.2.9-1",
"7.2.13-2",
"7.2.13-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.13-2build1"
},
{
"binary_name": "libipe7.2.13",
"binary_version": "7.2.13-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"7.2.23+dfsg1-2",
"7.2.24+dfsg1-1",
"7.2.24+dfsg1-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.24+dfsg1-1build1"
},
{
"binary_name": "libipe7.2.24",
"binary_version": "7.2.24+dfsg1-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.04+git20210103-3build1",
"3.04+git20211021-1",
"3.04+git20211021-1ubuntu1",
"3.04+git20220201-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04+git20220201-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"7.2.27+dfsg1-2",
"7.2.28-2",
"7.2.28-2.1build2",
"7.2.28-2.1build3",
"7.2.28-2.1build4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.28-2.1build4"
},
{
"binary_name": "libipe7.2.28t64",
"binary_version": "7.2.28-2.1build4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"3.04+git20220601-1ubuntu1",
"3.04+git20220601-1ubuntu2",
"3.04+git20231213-1",
"3.04+git20240118-1",
"3.04+git20240124-1",
"3.04+git20240202-1",
"3.04+git20240202-1build1",
"3.04+git20240202-1build2",
"3.04+git20240202-1build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04+git20240202-1build3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"7.2.30-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.30-1build1"
},
{
"binary_name": "libipe7.2.30",
"binary_version": "7.2.30-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"3.04+git20250304-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04+git20250304-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"7.2.30-1build2",
"7.2.30-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.30-2"
},
{
"binary_name": "libipe7.2.30",
"binary_version": "7.2.30-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"3.04+git20260220-1",
"3.04+git20260220-1ubuntu1",
"3.04+git20260802-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04+git20260802-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ipe",
"purl": "pkg:deb/ubuntu/ipe?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"7.2.30-1build1",
"7.2.30-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ipe",
"binary_version": "7.2.30-1build2"
},
{
"binary_name": "libipe7.2.30",
"binary_version": "7.2.30-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xpdf",
"purl": "pkg:deb/ubuntu/xpdf?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"3.04+git20250304-1",
"3.04+git20250304-1build1",
"3.04+git20260220-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18456.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xpdf",
"binary_version": "3.04+git20260220-1"
}
]
}
}
],
"modified": "2026-10-17T12:55:20.960867660Z",
"provider": "osv",
"upstream": [
"CVE-2018-18456"
],
"references": [
"https://ubuntu.com/security/CVE-2018-18456",
"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217",
"https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm",
"https://www.cve.org/CVERecord?id=CVE-2018-18456"
]
},
"related_cves": [
{
"value": "CVE-2018-18456",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353668,
"published_at": "2018-10-18T06:29:00+00:00"
}