CVE-2009-0023 (GCVE-0-2009-0023)
Vulnerability from cvelistv5 – Published: 2009-06-06 18:00 – Updated: 2024-08-07 04:17
VLAI
EPSS
VEX
Summary
The apr_strmatch_precompile function in strmatch/apr_strmatch.c in Apache APR-util before 1.3.5 allows remote attackers to cause a denial of service (daemon crash) via crafted input involving (1) a .htaccess file used with the Apache HTTP Server, (2) the SVNMasterURI directive in the mod_dav_svn module in the Apache HTTP Server, (3) the mod_apreq2 module for the Apache HTTP Server, or (4) an application that uses the libapreq2 library, which triggers a heap-based buffer underflow.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
56 references
Date Public
2009-06-04 00:00
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{
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{
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{
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"tags": [
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{
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{
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"tags": [
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},
{
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"tags": [
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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},
{
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{
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{
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"tags": [
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},
{
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{
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{
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{
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},
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},
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],
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},
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
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},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T13:11:46+00:00",
"cve": "CVE-2009-0023",
"id": "CVE-2009-0023",
"initial_release_date": "2009-06-03T00:00:00+00:00",
"product_status:fixed": "405",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "apr-util heap buffer underwrite",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-0023.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T13:07:54Z",
"cve": "CVE-2009-0023",
"id": "CVE-2009-0023",
"initial_release_date": "2023-02-15T06:05:38Z",
"product_status:recommended": "378",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2009-0023",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-0023.json",
"version": "24"
}
}
}
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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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