CVE-2018-20481

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"title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.freedesktop.org/poppler/poppler/issues/692"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143"}, {"name": "USN-3865-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3865-1/"}, {"name": "[debian-lts-announce] 20190308 [SECURITY] [DLA 1706-1] poppler security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html"}, {"name": "106321", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/106321"}, {"name": "RHSA-2019:2022", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2019:2022"}, {"name": "RHSA-2019:2713", "tags": ["vendor-advisory", 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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*", "matchCriteriaId": "0F021BE1-4D2A-4D00-9491-714CD38A7B2E", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc."}, {"lang": "es", "value": "XRef::getEntry en XRef.cc en Poppler 0.72.0 gestiona de manera incorrecta las entradas XRef no asignadas, lo que permite que los atacantes remotos provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULL) mediante un documento PDF manipulado, cuando se llama a XRefEntry::setFlag, en XRef.h, desde Parser::makeStream en Parser.cc."}], "id": "CVE-2018-20481", "lastModified": "2026-06-17T01:52:56.367", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-12-26T04:29:00.267", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106321"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2019:2022"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2019:2713"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/poppler/poppler/issues/692"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3865-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106321"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:2022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:2713"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/poppler/poppler/issues/692"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3865-1/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:2022", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "evince-0:3.28.2-8.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2022", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "okular-0:4.10.5-7.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2022", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "poppler-0:0.26.5-38.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:2713", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "poppler-0:0.66.0-11.el8_0.12", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-12T00:00:00Z"}], "bugzilla": {"description": "poppler: NULL pointer dereference in the XRef::getEntry in XRef.cc", "id": "1665266", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1665266"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-476", "details": ["XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc."], "name": "CVE-2018-20481", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2018-12-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-20481\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20481"], "threat_severity": "Low"}

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