CVE-2015-1803 (GCVE-0-2015-1803)
Vulnerability from cvelistv5 – Published: 2015-03-20 14:00 – Updated: 2024-08-06 04:54
VLAI
EPSS
VEX
Summary
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
16 references
Date Public
2015-03-17 00:00
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BDF.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:C/I:C/A:C\",\"baseScore\":8.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":6.8,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"5D37DF0F-F863-45AC-853A-3E04F9FEC7CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"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:14.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"49A63F39-30BE-443F-AF10-6245587D3359\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:x:libxfont:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.4.8\",\"matchCriteriaId\":\"D4E91328-0838-49CB-97BE-431214EB950F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:x:libxfont:1.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"42C76E2D-A549-473E-B2AC-046782B8B02A\"}]}]}],\"references\":[{\"url\":\"http://advisories.mageia.org/MGASA-2015-0113.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00005.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1708.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3194\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2015:145\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/73280\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id/1031935\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2536-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201507-21\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://advisories.mageia.org/MGASA-2015-0113.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00005.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1708.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3194\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2015:145\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/73280\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id/1031935\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2536-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201507-21\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/476.html\\\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e\"}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-27T09:29:56+00:00",
"cve": "CVE-2015-1803",
"id": "CVE-2015-1803",
"initial_release_date": "2015-03-17T00:00:00+00:00",
"product_status:fixed": "109",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libXfont: crash on invalid read in bdfReadCharacters",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-1803.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-01T02:34:03Z",
"cve": "CVE-2015-1803",
"id": "CVE-2015-1803",
"initial_release_date": "2023-02-15T05:21:21Z",
"product_status:known_affected": "394",
"product_status:known_not_affected": "51",
"product_status:recommended": "189",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-1803",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-1803.json",
"version": "35"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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