FKIE_CVE-2026-34282
Vulnerability from fkie_nvd - Published: 2026-04-21 21:16 - Updated: 2026-06-30 03:18
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| oracle | jre | 1.8.0 | |
| oracle | jre | 11.0.30 | |
| oracle | jre | 17.0.18 | |
| oracle | jre | 21.0.10 | |
| oracle | jre | 25.0.2 | |
| oracle | jre | 26 | |
| oracle | jdk | 1.8.0 | |
| oracle | jdk | 11.0.30 | |
| oracle | jdk | 17.0.18 | |
| oracle | jdk | 21.0.10 | |
| oracle | jdk | 25.0.2 | |
| oracle | jdk | 26 | |
| oracle | graalvm | 21.3.17 | |
| oracle | graalvm_for_jdk | 17.0.18 | |
| oracle | graalvm_for_jdk | 21.0.10 |
{
"affected": [
{
"affectedData": [
{
"product": "Oracle Java SE",
"vendor": "Oracle Corporation",
"versions": [
{
"status": "affected",
"version": "8u481-perf"
},
{
"status": "affected",
"version": "11.0.30"
},
{
"status": "affected",
"version": "17.0.18"
},
{
"status": "affected",
"version": "21.0.10"
},
{
"status": "affected",
"version": "25.0.2"
},
{
"status": "affected",
"version": "26"
}
]
},
{
"product": "Oracle GraalVM for JDK",
"vendor": "Oracle Corporation",
"versions": [
{
"status": "affected",
"version": "17.0.18"
},
{
"status": "affected",
"version": "21.0.10"
}
]
},
{
"product": "Oracle GraalVM Enterprise Edition",
"vendor": "Oracle Corporation",
"versions": [
{
"status": "affected",
"version": "21.3.17"
}
]
}
],
"source": "secalert_us@oracle.com"
},
{
"affectedData": [
{
"cpes": [
"cpe:/a:redhat:openjdk_els:11::el7"
],
"defaultStatus": "affected",
"product": "Red Hat OpenJDK 11 ELS for RHEL 7",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk_els:11::el8"
],
"defaultStatus": "affected",
"product": "Red Hat OpenJDK 11 ELS for RHEL 8",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk_els:11::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenJDK 11 ELS for RHEL 9",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream AUS (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream AUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream TUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:8.8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_tus:8.8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream TUS (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.0::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::crb"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CRB (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::crb"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk_els:11"
],
"defaultStatus": "affected",
"product": "OPENJDK ELS 11.0.31",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:17"
],
"defaultStatus": "affected",
"product": "Red Hat Build of OpenJDK 17.0.19",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:17"
],
"defaultStatus": "affected",
"product": "Red Hat Build of OpenJDK 17.0.9",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:21"
],
"defaultStatus": "affected",
"product": "Red Hat Build of OpenJDK 21.0.11",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:25"
],
"defaultStatus": "affected",
"product": "Red Hat Build of OpenJDK 25.0.3",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:hummingbird:1"
],
"defaultStatus": "affected",
"product": "Red Hat Hardened Images",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Supplementary EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Supplementary EUS (v.10.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Supplementary (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:25"
],
"defaultStatus": "affected",
"product": "Temurin Build of OpenJDK 25.0.3",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux 6",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux 7",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openjdk:1.8"
],
"defaultStatus": "unaffected",
"product": "Red Hat build of OpenJDK 1.8",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
],
"defaultStatus": "unaffected",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
],
"defaultStatus": "unaffected",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat"
}
],
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:jre:1.8.0:update481:*:*:enterprise_performance_pack:*:*:*",
"matchCriteriaId": "91BD9F52-958E-4D64-A00D-F183530364CA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jre:11.0.30:*:*:*:*:*:*:*",
"matchCriteriaId": "37F85D83-BD75-4BE3-9CE6-8429ECCD8FF6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jre:17.0.18:*:*:*:*:*:*:*",
"matchCriteriaId": "A8589FE8-7CD5-44FA-9325-913D3311DE53",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jre:21.0.10:*:*:*:*:*:*:*",
"matchCriteriaId": "B46BFB77-EBC7-45CB-868A-4204DFB8B94F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jre:25.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "27E53593-6BF0-4F3F-942A-B7A5E97012F7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jre:26:*:*:*:*:*:*:*",
"matchCriteriaId": "726A7677-AC58-42AA-809A-38AA8069160A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:jdk:1.8.0:update481:*:*:enterprise_performance_pack:*:*:*",
"matchCriteriaId": "600DC6D9-0F42-42D8-81AF-4B7744A71F09",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jdk:11.0.30:*:*:*:*:*:*:*",
"matchCriteriaId": "A7099EA6-7B33-41F5-9760-BF4617C19C7B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jdk:17.0.18:*:*:*:*:*:*:*",
"matchCriteriaId": "ABF7AF16-10C8-4544-8D33-A10C869D8132",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jdk:21.0.10:*:*:*:*:*:*:*",
"matchCriteriaId": "54B529F3-E3EB-4214-B6D4-372EC1ECEE92",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jdk:25.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "DC1E16C1-62E1-4325-AD55-61C5F7584DD0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:jdk:26:*:*:*:*:*:*:*",
"matchCriteriaId": "1D96D602-E003-4D50-9D57-3436E04478D4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:graalvm:21.3.17:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "A03023A6-9A6F-40EE-A9BE-5A8EDC1EEE94",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:17.0.18:*:*:*:*:*:*:*",
"matchCriteriaId": "55B50BFF-7A24-4603-826D-60D80DBF748E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:21.0.10:*:*:*:*:*:*:*",
"matchCriteriaId": "A6B951D6-6031-4169-962B-6127A6D7FB6D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."
}
],
"id": "CVE-2026-34282",
"lastModified": "2026-06-30T03:18:52.347",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "secalert_us@oracle.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-34282",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-22T15:33:23.475952Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-04-21T21:16:32.643",
"references": [
{
"source": "secalert_us@oracle.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuapr2026.html"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:11403"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:11655"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:11822"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:11829"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:11902"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:22328"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9254"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9256"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9686"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9687"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9688"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9689"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9691"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9693"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/errata/RHSA-2026:9694"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://access.redhat.com/security/cve/CVE-2026-34282"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460044"
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34282.json"
}
],
"sourceIdentifier": "secalert_us@oracle.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-835"
}
],
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…