CVE-2009-0846 (GCVE-0-2009-0846)
Vulnerability from cvelistv5 – Published: 2009-04-09 00:00 – Updated: 2024-08-07 04:48
VLAI
EPSS
VEX
Summary
The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
50 references
Date Public
2009-04-07 00:00
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"vulnStatus": "Modified",
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},
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"redhat_vex": {
"aggregate_severity": "Critical",
"current_release_date": "2026-06-27T17:14:20+00:00",
"cve": "CVE-2009-0846",
"id": "CVE-2009-0846",
"initial_release_date": "2009-04-07T00:00:00+00:00",
"product_status:fixed": "222",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "krb5: ASN.1 decoder can free uninitialized pointer when decoding an invalid encoding (MITKRB5-SA-2009-002)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-0846.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-27T02:17:45Z",
"cve": "CVE-2009-0846",
"id": "CVE-2009-0846",
"initial_release_date": "2023-02-15T06:04:49Z",
"product_status:recommended": "281",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2009-0846",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-0846.json",
"version": "21"
}
}
}
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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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