CVE-2012-4207 (GCVE-0-2012-4207)
Vulnerability from cvelistv5 – Published: 2012-11-21 11:00 – Updated: 2024-08-06 20:28
VLAI
EPSS
VEX
Summary
The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
30 references
Date Public
2012-11-20 00:00
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"id": "CVE-2012-4207",
"lastModified": "2024-11-21T01:42:25.163",
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"published": "2012-11-21T12:55:02.023",
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-79\"}]}]"
},
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-27T13:31:38+00:00",
"cve": "CVE-2012-4207",
"id": "CVE-2012-4207",
"initial_release_date": "2012-11-20T00:00:00+00:00",
"product_status:fixed": "160",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Mozilla: Improper character decoding in HZ-GB-2312 charset (MFSA 2012-101)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4207.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-27T02:08:17Z",
"cve": "CVE-2012-4207",
"id": "CVE-2012-4207",
"initial_release_date": "2023-02-15T05:45:01Z",
"product_status:known_affected": "3",
"product_status:recommended": "191",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2012-4207",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-4207.json",
"version": "19"
}
}
}
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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.
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.
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