CVE-2012-0876 (GCVE-0-2012-0876)
Vulnerability from cvelistv5 – Published: 2012-07-03 19:00 – Updated: 2024-08-06 18:38
VLAI
EPSS
VEX
Summary
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
22 references
Date Public
2012-03-04 00:00
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"Issue Tracking",
"Third Party Advisory"
],
"url": "http://bugs.python.org/issue13703#msg151870"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Mailing List"
],
"url": "http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Mailing List"
],
"url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://mail.libexpat.org/pipermail/expat-discuss/2012-March/002768.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://rhn.redhat.com/errata/RHSA-2012-0731.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://rhn.redhat.com/errata/RHSA-2016-0062.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://rhn.redhat.com/errata/RHSA-2016-2957.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "http://secunia.com/advisories/49504"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "http://secunia.com/advisories/51024"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "http://secunia.com/advisories/51040"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "http://sourceforge.net/projects/expat/files/expat/2.1.0/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://sourceforge.net/tracker/?func=detail\u0026atid=110127\u0026aid=3496608\u0026group_id=10127"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.debian.org/security/2012/dsa-2525"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:041"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/52379"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.ubuntu.com/usn/USN-1527-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.ubuntu.com/usn/USN-1613-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-1613-2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.apple.com/HT205637"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.tenable.com/security/tns-2016-20"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-09-21T05:32:53+00:00",
"cve": "CVE-2012-0876",
"id": "CVE-2012-0876",
"initial_release_date": "2012-03-03T00:00:00+00:00",
"product_status:fixed": "81",
"product_status:known_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "expat: hash table collisions CPU usage DoS",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-0876.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-23T00:53:59Z",
"cve": "CVE-2012-0876",
"id": "CVE-2012-0876",
"initial_release_date": "2023-02-15T05:48:26Z",
"product_status:known_affected": "320",
"product_status:known_not_affected": "2",
"product_status:recommended": "576",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2012-0876",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-0876.json",
"version": "47"
}
}
}
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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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