CVE-2015-4486 (GCVE-0-2015-4486)
Vulnerability from cvelistv5 – Published: 2015-08-16 01:00 – Updated: 2024-08-06 06:18
VLAI
EPSS
VEX
Summary
The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
16 references
Date Public
2015-08-11 00:00
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"nvd": "{\"cve\":{\"id\":\"CVE-2015-4486\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2015-08-16T01:59:14.143\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The decrease_ref_count function in libvpx in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via malformed WebM video data.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad en la funci\u00f3n decrease_ref_count en libvpx en Mozilla Firefox en versiones anteriores a 40.0 y Firefox ESR 38.x en versiones anteriores a 38.2, permite a atacantes remotos ejecutar c\u00f3digo arbitrario o provocar una denegaci\u00f3n de servicio (lectura fuera de rango) a trav\u00e9s de datos de v\u00eddeo WebM malformados.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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:15.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F38D3B7E-8429-473F-BB31-FC3583EE5A5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A10BC294-9196-425F-9FB0-B1625465B47F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"03117DF1-3BEC-4B8D-AD63-DBBDB2126081\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"39.0.3\",\"matchCriteriaId\":\"40AB4FC4-00EA-4C4E-81D8-170BD068B28B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"35BF0AFB-26BA-4BEA-B6B8-11CF88E951DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1F007CC6-9391-4E1C-A747-F3DE5E572FA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"45E9641F-430C-4B3A-BD63-EC13DBD3D1E4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5AADD23B-A8AF-4679-990D-C29A1D6EB5CD\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79A602C5-61FE-47BA-9786-F045B6C6DBA8\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1586.html\",\"source\":\"security@mozilla.org\"},{\"url\":\"http://www.mozilla.org/security/announce/2015/mfsa2015-89.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor 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Advisory\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securitytracker.com/id/1033247\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2702-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2702-2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-2702-3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1178148\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://security.gentoo.org/glsa/201605-06\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
"redhat_vex": {
"aggregate_severity": "Critical",
"current_release_date": "2025-11-21T14:28:33+00:00",
"cve": "CVE-2015-4486",
"id": "CVE-2015-4486",
"initial_release_date": "2015-08-11T00:00:00+00:00",
"product_status:fixed": "194",
"product_status:known_not_affected": "5",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Mozilla: Buffer overflows on Libvpx when decoding WebM video (MFSA 2015-89)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-4486.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-01T02:30:27Z",
"cve": "CVE-2015-4486",
"id": "CVE-2015-4486",
"initial_release_date": "2023-02-15T05:17:58Z",
"product_status:known_affected": "1",
"product_status:known_not_affected": "120",
"product_status:recommended": "577",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-4486",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-4486.json",
"version": "16"
}
}
}
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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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