CVE-2018-19477
Estado: ModificadaAlta (7.8)—
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.04%
- Percentil entre todas las CVEs puntuadas: 87
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (10)
Artifex — GhostscriptCanonical — Ubuntu LinuxDebian — Debian LinuxRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Server AUSRedhat — Enterprise Linux Server EUSRedhat — Enterprise Linux Server TUSRedhat — Enterprise Linux WorkstationRedhat — Openshift Container Platform
CWE
- CWE-704
Referencias
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
- http://www.securityfocus.com/bid/106154
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:0229
- https://bugs.ghostscript.com/show_bug.cgi?id=700168
- https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
- https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
- https://usn.ubuntu.com/3831-1/
- https://www.debian.org/security/2018/dsa-4346
- https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
- http://www.securityfocus.com/bid/106154
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:0229
- https://bugs.ghostscript.com/show_bug.cgi?id=700168
- https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
- https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
- https://usn.ubuntu.com/3831-1/
- https://www.debian.org/security/2018/dsa-4346
- https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-19477",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2018-11-23T05:29:03.950",
"references": [
{
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb",
"source": "cve@mitre.org"
},
{
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/106154",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "https://access.redhat.com/errata/RHBA-2019:0327",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://access.redhat.com/errata/RHSA-2019:0229",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://bugs.ghostscript.com/show_bug.cgi?id=700168",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf",
"tags": [
"Exploit",
"Mitigation",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://usn.ubuntu.com/3831-1/",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.debian.org/security/2018/dsa-4346",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/106154",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://access.redhat.com/errata/RHBA-2019:0327",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://access.redhat.com/errata/RHSA-2019:0229",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.ghostscript.com/show_bug.cgi?id=700168",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf",
"tags": [
"Exploit",
"Mitigation",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://usn.ubuntu.com/3831-1/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2018/dsa-4346",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-704"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion."
},
{
"lang": "es",
"value": "psi/zfjbig2.c en Artifex Ghostscript en versiones anteriores a la 9.26 permite a los atacantes remotos omitir las restricciones de acceso planeadas debido a una confusión del tipo JBIG2Decode."
}
],
"lastModified": "2026-06-17T01:49:21.747",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A224A817-11B3-45FF-B210-3DF1C83AE63D",
"versionEndExcluding": "9.26"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F87326E-0B56-4356-A889-73D026DB1D4B"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5E92F9B3-3841-4C05-88F0-CEB0735EA4BB"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BF77CDCF-B9C9-427D-B2BF-36650FB2148C"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}