CVE-2021-3859

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3859
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3859.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3859
Aliases
Downstream
Published
2022-08-26T16:15:09Z
Modified
2025-10-21T06:29:35.147914Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.

References

Affected packages

Git / github.com/undertow-io/undertow

Affected ranges

Type
GIT
Repo
https://github.com/undertow-io/undertow
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e43f0ada3f4da6e8579e0020cec3cb1a81e487c2

Affected versions

1.*

1.0.0.Alpha1
1.0.0.Alpha10
1.0.0.Alpha11
1.0.0.Alpha12
1.0.0.Alpha13
1.0.0.Alpha14
1.0.0.Alpha15
1.0.0.Alpha16
1.0.0.Alpha17
1.0.0.Alpha18
1.0.0.Alpha19
1.0.0.Alpha2
1.0.0.Alpha20
1.0.0.Alpha21
1.0.0.Alpha22
1.0.0.Alpha3
1.0.0.Alpha4
1.0.0.Alpha5
1.0.0.Alpha6
1.0.0.Alpha7
1.0.0.Alpha8
1.0.0.Alpha9
1.0.0.Beta1
1.0.0.Beta10
1.0.0.Beta11
1.0.0.Beta12
1.0.0.Beta13
1.0.0.Beta14
1.0.0.Beta15
1.0.0.Beta16
1.0.0.Beta17
1.0.0.Beta18
1.0.0.Beta19
1.0.0.Beta2
1.0.0.Beta20
1.0.0.Beta21
1.0.0.Beta22
1.0.0.Beta23
1.0.0.Beta24
1.0.0.Beta25
1.0.0.Beta26
1.0.0.Beta27
1.0.0.Beta28
1.0.0.Beta29
1.0.0.Beta3
1.0.0.Beta30
1.0.0.Beta31
1.0.0.Beta32
1.0.0.Beta33
1.0.0.Beta4
1.0.0.Beta5
1.0.0.Beta6
1.0.0.Beta7
1.0.0.Beta8
1.0.0.Beta9
1.0.0.CR1
1.0.0.CR2
1.0.0.CR3
1.0.0.CR4
1.0.0.Final
1.0.1.Final
1.0.2.Final
1.0.3.Final
1.1.0.Beta1
1.1.0.Beta2
1.1.0.Beta3
1.1.0.Beta4
1.1.0.Beta5
1.1.0.Beta6
1.1.0.Beta7
1.1.0.Beta8
1.2.0.Beta1
1.2.0.Beta10
1.2.0.Beta2
1.2.0.Beta3
1.2.0.Beta4
1.2.0.Beta5
1.2.0.Beta6
1.2.0.Beta7
1.2.0.Beta8
1.2.0.Beta9
1.2.0.CR1
1.2.0.Final
1.2.1.Final
1.2.2.Final
1.2.3.Final
1.2.4.Final
1.3.0.Beta1
1.3.0.Beta10
1.3.0.Beta11
1.3.0.Beta12
1.3.0.Beta13
1.3.0.Beta2
1.3.0.Beta3
1.3.0.Beta4
1.3.0.Beta5
1.3.0.Beta6
1.3.0.Beta7
1.3.0.Beta8
1.3.0.Beta9
1.3.0.CR1
1.3.0.CR2
1.3.0.CR3
1.3.0.Final
1.3.1.Final
1.3.2.Final
1.3.3.Final

2.*

2.0.0.Alpha1
2.0.0.Beta1
2.0.0.Final
2.0.1.Final
2.0.10.Final
2.0.11.Final
2.0.12.Final
2.0.13.Final
2.0.14.Final
2.0.15.Final
2.0.16.Final
2.0.17.Final
2.0.2.Final
2.0.20.Final
2.0.21.Final
2.0.22.Final
2.0.23.Final
2.0.24.Final
2.0.25.Final
2.0.26.Final
2.0.27.Final
2.0.28.Final
2.0.29.Final
2.0.3.Final
2.0.4.Final
2.0.5.Final
2.0.6.Final
2.0.7.Final
2.0.8.Final
2.0.9.Final
2.1.0.Final
2.1.1.Final
2.1.2.Final
2.1.3.Final
2.1.4.Final
2.2.0.Final
2.2.1.Final
2.2.10.Final
2.2.11.Final
2.2.12.Final
2.2.13.Final
2.2.14.Final
2.2.2.Final
2.2.3.Final
2.2.4.Final
2.2.5.Final
2.2.6.Final
2.2.7.Final
2.2.8.Final
2.2.9.Final

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-3859-137c9e03",
        "target": {
            "file": "core/src/main/java/io/undertow/protocols/http2/HpackEncoder.java"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "37843366493750751742619379260952401598",
                "7440480657494467487553469539626601166",
                "276016304061374303955031587394107556688",
                "33025093169843178057269548979765714246",
                "73007699941547598036833828651447045206",
                "281097977987362871672003164118742789719",
                "219130153540905508636829466680708263762",
                "15958409315759019669908654030384320735"
            ]
        }
    },
    {
        "source": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-3859-80ae0061",
        "target": {
            "file": "core/src/main/java/io/undertow/protocols/http2/Http2Channel.java"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "278718351439749032103358072259880297915",
                "217996040743920694930878954795178553663",
                "194636829920015321065860618077163562720",
                "272077580847901113784842885408509213057",
                "335496155086488876403469198514903259863",
                "93657172332355147865052391949714358868",
                "10177502587792283635465765649640402178",
                "6822285975597295230959649532656960108",
                "2961991051668216914488364019458986316",
                "271247688705289436524263595311819397500"
            ]
        }
    },
    {
        "source": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-3859-a100b2a7",
        "target": {
            "function": "encode",
            "file": "core/src/main/java/io/undertow/protocols/http2/HpackEncoder.java"
        },
        "signature_type": "Function",
        "digest": {
            "length": 2626.0,
            "function_hash": "197540148066880075987836166995993802539"
        }
    },
    {
        "source": "https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-3859-b0ceb238",
        "target": {
            "function": "parseFrame",
            "file": "core/src/main/java/io/undertow/protocols/http2/Http2Channel.java"
        },
        "signature_type": "Function",
        "digest": {
            "length": 1089.0,
            "function_hash": "291203542927830118324038302489004741089"
        }
    }
]