It was discovered that OpenJDK did not properly validate types in some situations. An attacker could use this to construct a Java class that could possibly bypass sandbox restrictions. (CVE-2018-2825, CVE-2018-2826)
It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to potentially construct a class that caused a denial of service (excessive memory consumption). (CVE-2018-2952)
Daniel Bleichenbacher discovered a vulnerability in the Galois/Counter Mode (GCM) mode of operation for symmetric block ciphers in OpenJDK. An attacker could use this to expose sensitive information. (CVE-2018-2972)
{
"availability": "No subscription required",
"binaries": [
{
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{
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2018-2825",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
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{
"id": "CVE-2018-2826",
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"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
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"type": "CVSS_V3"
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{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
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{
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{
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"type": "CVSS_V3"
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{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
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{
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"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-2972",
"severity": [
{
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"type": "CVSS_V3"
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{
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"type": "Ubuntu"
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]
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"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3747-1.json"