{"id":"USN-5891-1","summary":"curl vulnerabilities","details":"Harry Sintonen discovered that curl incorrectly handled HSTS support\nwhen multiple URLs are requested serially. A remote attacker could possibly\nuse this issue to cause curl to use unencrypted connections. This issue\nonly affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23914)\n\nHarry Sintonen discovered that curl incorrectly handled HSTS support\nwhen multiple URLs are requested in parallel. A remote attacker could\npossibly use this issue to cause curl to use unencrypted connections. This\nissue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23915)\n\nPatrick Monnerat discovered that curl incorrectly handled memory when\nprocessing requests with multi-header compression. A remote attacker could\npossibly use this issue to cause curl to consume resources, leading to a\ndenial of service. (CVE-2023-23916)\n","modified":"2026-04-22T10:55:34.883706Z","published":"2023-02-27T12:34:20Z","related":["UBUNTU-CVE-2023-23914","UBUNTU-CVE-2023-23915","UBUNTU-CVE-2023-23916"],"upstream":["CVE-2023-23914","CVE-2023-23915","CVE-2023-23916","UBUNTU-CVE-2023-23914","UBUNTU-CVE-2023-23915","UBUNTU-CVE-2023-23916"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5891-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-23914"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-23915"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-23916"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.23?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.23"}]}],"versions":["7.55.1-1ubuntu2","7.55.1-1ubuntu2.1","7.57.0-1ubuntu1","7.58.0-2ubuntu1","7.58.0-2ubuntu2","7.58.0-2ubuntu3","7.58.0-2ubuntu3.1","7.58.0-2ubuntu3.2","7.58.0-2ubuntu3.3","7.58.0-2ubuntu3.5","7.58.0-2ubuntu3.6","7.58.0-2ubuntu3.7","7.58.0-2ubuntu3.8","7.58.0-2ubuntu3.9","7.58.0-2ubuntu3.10","7.58.0-2ubuntu3.12","7.58.0-2ubuntu3.13","7.58.0-2ubuntu3.14","7.58.0-2ubuntu3.15","7.58.0-2ubuntu3.16","7.58.0-2ubuntu3.17","7.58.0-2ubuntu3.18","7.58.0-2ubuntu3.19","7.58.0-2ubuntu3.20","7.58.0-2ubuntu3.21","7.58.0-2ubuntu3.22"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.58.0-2ubuntu3.23","binary_name":"curl"},{"binary_version":"7.58.0-2ubuntu3.23","binary_name":"libcurl3-gnutls"},{"binary_version":"7.58.0-2ubuntu3.23","binary_name":"libcurl3-nss"},{"binary_version":"7.58.0-2ubuntu3.23","binary_name":"libcurl4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5891-1.json","cves_map":{"cves":[{"id":"CVE-2023-23916","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"curl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/curl@7.68.0-1ubuntu2.16?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.68.0-1ubuntu2.16"}]}],"versions":["7.65.3-1ubuntu3","7.65.3-1ubuntu4","7.66.0-1ubuntu1","7.67.0-2ubuntu1","7.68.0-1ubuntu1","7.68.0-1ubuntu2","7.68.0-1ubuntu2.1","7.68.0-1ubuntu2.2","7.68.0-1ubuntu2.4","7.68.0-1ubuntu2.5","7.68.0-1ubuntu2.6","7.68.0-1ubuntu2.7","7.68.0-1ubuntu2.10","7.68.0-1ubuntu2.11","7.68.0-1ubuntu2.12","7.68.0-1ubuntu2.13","7.68.0-1ubuntu2.14","7.68.0-1ubuntu2.15"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.68.0-1ubuntu2.16","binary_name":"curl"},{"binary_version":"7.68.0-1ubuntu2.16","binary_name":"libcurl3-gnutls"},{"binary_version":"7.68.0-1ubuntu2.16","binary_name":"libcurl3-nss"},{"binary_version":"7.68.0-1ubuntu2.16","binary_name":"libcurl4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5891-1.json","cves_map":{"cves":[{"id":"CVE-2023-23916","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"curl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/curl@7.81.0-1ubuntu1.8?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.81.0-1ubuntu1.8"}]}],"versions":["7.74.0-1.3ubuntu2","7.74.0-1.3ubuntu3","7.80.0-3","7.81.0-1","7.81.0-1ubuntu1.1","7.81.0-1ubuntu1.2","7.81.0-1ubuntu1.3","7.81.0-1ubuntu1.4","7.81.0-1ubuntu1.6","7.81.0-1ubuntu1.7"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_version":"7.81.0-1ubuntu1.8","binary_name":"curl"},{"binary_version":"7.81.0-1ubuntu1.8","binary_name":"libcurl3-gnutls"},{"binary_version":"7.81.0-1ubuntu1.8","binary_name":"libcurl3-nss"},{"binary_version":"7.81.0-1ubuntu1.8","binary_name":"libcurl4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5891-1.json","cves_map":{"cves":[{"id":"CVE-2023-23914","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2023-23915","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2023-23916","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.5"}