Thomas Beckers discovered that the JAXP component of OpenJDK 8 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. (CVE-2026-22016)
It was discovered that the JSSE component of OpenJDK 8 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22021)
It was discovered that the JGSS component of OpenJDK 8 did not correctly authenticate certain APIs. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-22013)
It was discovered that the 2D component of OpenJDK 8 did not correctly handle certain integer arithmetic. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to leak sensitive information. (CVE-2026-23865)
It was discovered that the Libraries component of OpenJDK 8 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22018)
Ken Pyle discovered that the Security component of OpenJDK 8 did not correctly authenticate certain APIs. A local attacker could possibly use this issue to leak sensitive information. (CVE-2026-22007, CVE-2026-34268)
In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.
Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-04-21
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{
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{
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"score": "medium"
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"id": "CVE-2026-22018",
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"type": "CVSS_V3",
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{
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{
"id": "CVE-2026-23865",
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},
{
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"type": "Ubuntu",
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{
"id": "CVE-2026-22013",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
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"id": "CVE-2026-22016",
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
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{
"type": "Ubuntu",
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{
"id": "CVE-2026-22018",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
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{
"type": "Ubuntu",
"score": "medium"
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{
"id": "CVE-2026-22021",
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{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
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{
"binary_version": "8u492-ga~us2-0ubuntu1~20.04.1",
"binary_name": "openjdk-8-jdk-headless"
},
{
"binary_version": "8u492-ga~us2-0ubuntu1~20.04.1",
"binary_name": "openjdk-8-jre"
},
{
"binary_version": "8u492-ga~us2-0ubuntu1~20.04.1",
"binary_name": "openjdk-8-jre-headless"
},
{
"binary_version": "8u492-ga~us2-0ubuntu1~20.04.1",
"binary_name": "openjdk-8-jre-zero"
},
{
"binary_version": "8u492-ga~us2-0ubuntu1~20.04.1",
"binary_name": "openjdk-8-source"
}
]
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8330-1.json"
{
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"cves": [
{
"id": "CVE-2026-22007",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-22013",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-22016",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-22018",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-22021",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-23865",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-34268",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}