{"id":"USN-5021-2","summary":"curl vulnerability","details":"USN-5021-1 fixed vulnerabilities in curl. This update provides\nthe corresponding updates for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled\n TELNET connections when the -t option was used on the command line.\n Uninitialized data possibly containing sensitive information could be sent\n to the remote server, contrary to expectations. (CVE-2021-22898,\n CVE-2021-22925)\n","modified":"2026-02-10T04:42:17Z","published":"2022-01-20T11:40:36Z","related":["UBUNTU-CVE-2021-22898","UBUNTU-CVE-2021-22925"],"upstream":["CVE-2021-22898","CVE-2021-22925","UBUNTU-CVE-2021-22898","UBUNTU-CVE-2021-22925"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5021-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22898"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22925"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.19+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.47.0-1ubuntu2.19+esm3"}]}],"versions":["7.43.0-1ubuntu2","7.45.0-1ubuntu1","7.46.0-1ubuntu1","7.47.0-1ubuntu1","7.47.0-1ubuntu2","7.47.0-1ubuntu2.1","7.47.0-1ubuntu2.2","7.47.0-1ubuntu2.3","7.47.0-1ubuntu2.4","7.47.0-1ubuntu2.5","7.47.0-1ubuntu2.6","7.47.0-1ubuntu2.7","7.47.0-1ubuntu2.8","7.47.0-1ubuntu2.9","7.47.0-1ubuntu2.11","7.47.0-1ubuntu2.12","7.47.0-1ubuntu2.13","7.47.0-1ubuntu2.14","7.47.0-1ubuntu2.15","7.47.0-1ubuntu2.16","7.47.0-1ubuntu2.18","7.47.0-1ubuntu2.19","7.47.0-1ubuntu2.19+esm1","7.47.0-1ubuntu2.19+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"curl","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl3","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl3-gnutls","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl3-nss","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl4-gnutls-dev","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl4-nss-dev","binary_version":"7.47.0-1ubuntu2.19+esm3"},{"binary_name":"libcurl4-openssl-dev","binary_version":"7.47.0-1ubuntu2.19+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5021-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-22898"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-22925"}]}}}],"schema_version":"1.7.3"}