It was discovered that H2 was vulnerable to deserialization of untrusted data. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-42392)
It was discovered that H2 incorrectly handled some specially crafted connection URLs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2022-23221)
{
"binaries": [
{
"binary_name": "libh2-java",
"binary_version": "1.4.197-4+deb10u1build0.20.04.1"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5365-1.json"
{
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2021-42392",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-23221",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}