CVE-2019-20444 (GCVE-0-2019-20444)
Vulnerability from cvelistv5 – Published: 2020-01-29 20:33 – Updated: 2025-07-01 18:01
VLAI
EPSS
VEX
Summary
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
Severity
9.1 (Critical)
CWE
- n/a
Assigner
References
116 references
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{
"name": "[geode-dev] 20200408 Proposal to bring GEODE-7969 to support/1.12",
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{
"name": "[cassandra-commits] 20200604 [jira] [Created] (CASSANDRA-15856) Security vulnerabilities with dependency jars of Cassandra 3.11.6",
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"url": "https://lists.apache.org/thread.html/r4d3f1d3e333d9c2b2f6e6ae8ed8750d4de03410ac294bcd12c7eefa3@%3Ccommits.cassandra.apache.org%3E"
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{
"name": "[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image",
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"url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E"
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{
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{
"name": "[camel-commits] 20201120 [camel] branch camel-2.25.x updated: Updating Netty to 4.1.48.Final to fix some CVEs (e.g. CVE-2019-16869, CVE-2019-20444)",
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"name": "[camel-commits] 20201120 [camel] branch camel-2.25.x updated: Updating Netty to 4.1.48.Final to fix some CVEs (e.g. CVE-2019-16869, CVE-2019-20444)",
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"name": "[spark-issues] 20210824 [jira] [Created] (SPARK-36572) Upgrade version of io.netty to 4.1.44.Final to solve CVE-2019-20444 and CVE-2019-20445",
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"id": "CVE-2019-20444",
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"product_status:fixed": "556",
"product_status:known_affected": "11",
"product_status:known_not_affected": "20",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "netty: HTTP request smuggling",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20444.json",
"version": "3"
}
}
}
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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 |
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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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