{"id":"USN-5239-1","summary":"httpcomponents-client vulnerability","details":"It was discovered that HttpClient mishandled certain input. An attacker could\nuse this vulnerability to cause a crash or possibly execute arbitrary code.\n","modified":"2026-02-10T04:42:25Z","published":"2022-08-08T13:29:51Z","related":["UBUNTU-CVE-2020-13956"],"upstream":["CVE-2020-13956","UBUNTU-CVE-2020-13956"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5239-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-13956"}],"affected":[{"package":{"name":"httpcomponents-client","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/httpcomponents-client@4.3.3-1ubuntu0.1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.3-1ubuntu0.1+esm2"}]}],"versions":["4.2.5-2","4.3.2-1","4.3.3-1","4.3.3-1ubuntu0.1","4.3.3-1ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.3-1ubuntu0.1+esm2","binary_name":"libhttpclient-java"},{"binary_version":"4.3.3-1ubuntu0.1+esm2","binary_name":"libhttpmime-java"}],"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-5239-1.json","cves_map":{"cves":[{"id":"CVE-2020-13956","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"httpcomponents-client","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/httpcomponents-client@4.5.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-1ubuntu0.1~esm1"}]}],"versions":["4.4.1-1","4.5.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.1-1ubuntu0.1~esm1","binary_name":"libhttpclient-java"},{"binary_version":"4.5.1-1ubuntu0.1~esm1","binary_name":"libhttpmime-java"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5239-1.json","cves_map":{"cves":[{"id":"CVE-2020-13956","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"httpcomponents-client","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/httpcomponents-client@4.5.5-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5-1ubuntu0.1~esm1"}]}],"versions":["4.5.3-1","4.5.4-1","4.5.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.5-1ubuntu0.1~esm1","binary_name":"libhttpclient-java"},{"binary_version":"4.5.5-1ubuntu0.1~esm1","binary_name":"libhttpmime-java"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5239-1.json","cves_map":{"cves":[{"id":"CVE-2020-13956","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"httpcomponents-client","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/httpcomponents-client@4.5.11-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.11-1ubuntu0.1~esm1"}]}],"versions":["4.5.9-1","4.5.10-2","4.5.11-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.11-1ubuntu0.1~esm1","binary_name":"libhttpclient-java"},{"binary_version":"4.5.11-1ubuntu0.1~esm1","binary_name":"libhttpmime-java"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5239-1.json","cves_map":{"cves":[{"id":"CVE-2020-13956","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}}],"schema_version":"1.7.3"}