{"id":"USN-4723-1","summary":"php-pear vulnerability","details":"It was discovered that PEAR incorrectly handled symbolic links in archives.\nA remote attacker could possibly use this issue to execute arbitrary code.\n","modified":"2026-02-10T04:42:02Z","published":"2021-02-08T12:43:56Z","related":["UBUNTU-CVE-2020-36193"],"upstream":["CVE-2020-36193","UBUNTU-CVE-2020-36193"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4723-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36193"}],"affected":[{"package":{"name":"php-pear","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/php-pear@1:1.10.1+submodules+notgz-6ubuntu0.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.10.1+submodules+notgz-6ubuntu0.3"}]}],"versions":["1:1.10.1+submodules+notgz-4","1:1.10.1+submodules+notgz-6","1:1.10.1+submodules+notgz-6ubuntu0.1","1:1.10.1+submodules+notgz-6ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.10.1+submodules+notgz-6ubuntu0.3","binary_name":"php-pear"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4723-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-36193"}]}}},{"package":{"name":"php-pear","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/php-pear@1:1.10.5+submodules+notgz-1ubuntu1.18.04.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.10.5+submodules+notgz-1ubuntu1.18.04.3"}]}],"versions":["1:1.10.5+submodules+notgz-1","1:1.10.5+submodules+notgz-1ubuntu1","1:1.10.5+submodules+notgz-1ubuntu1.18.04.1","1:1.10.5+submodules+notgz-1ubuntu1.18.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.10.5+submodules+notgz-1ubuntu1.18.04.3","binary_name":"php-pear"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4723-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-36193"}]}}},{"package":{"name":"php-pear","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/php-pear@1:1.10.9+submodules+notgz-1ubuntu0.20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.10.9+submodules+notgz-1ubuntu0.20.04.2"}]}],"versions":["1:1.10.9+submodules+notgz-1","1:1.10.9+submodules+notgz-1ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.10.9+submodules+notgz-1ubuntu0.20.04.2","binary_name":"php-pear"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4723-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-36193"}]}}}],"schema_version":"1.7.3"}