{"id":"USN-7469-4","summary":"h2o vulnerability","details":"USN-7469-1 fixed a vulnerability in Apache Traffic Server. This update\nprovides the corresponding updates for H2O.\n\nOriginal advisory details:\n\n It was discovered that Apache Traffic Server exhibited poor server\n resource management in its HTTP/2 protocol. An attacker could possibly\n use this issue to cause Apache Traffic Server to crash, resulting in\n a denial of service.\n","modified":"2026-04-27T17:27:07.349945Z","published":"2025-04-30T11:06:26Z","related":["UBUNTU-CVE-2023-44487"],"upstream":["CVE-2023-44487","UBUNTU-CVE-2023-44487"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7469-4"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-44487"}],"affected":[{"package":{"name":"h2o","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/h2o@2.2.4+dfsg-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4+dfsg-1ubuntu0.1~esm2"}]}],"versions":["2.2.3+dfsg-2","2.2.4+dfsg-1","2.2.4+dfsg-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.2.4+dfsg-1ubuntu0.1~esm2","binary_name":"h2o"},{"binary_version":"2.2.4+dfsg-1ubuntu0.1~esm2","binary_name":"libh2o-dev-common"},{"binary_version":"2.2.4+dfsg-1ubuntu0.1~esm2","binary_name":"libh2o-evloop0.13"},{"binary_version":"2.2.4+dfsg-1ubuntu0.1~esm2","binary_name":"libh2o0.13"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7469-4.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2023-44487"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}}],"schema_version":"1.7.5"}