{"id":"USN-4602-2","summary":"perl vulnerabilities","details":"USN-4602-1 fixed several vulnerabilities in Perl. This update provides\nthe corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\n\nOriginal advisory details:\n\n ManhND discovered that Perl incorrectly handled certain regular\n expressions. In environments where untrusted regular expressions are\n evaluated, a remote attacker could possibly use this issue to cause Perl to\n crash, resulting in a denial of service, or possibly execute arbitrary\n code. (CVE-2020-10543)\n\n Hugo van der Sanden and Slaven Rezic discovered that Perl incorrectly\n handled certain regular expressions. In environments where untrusted\n regular expressions are evaluated, a remote attacker could possibly use\n this issue to cause Perl to crash, resulting in a denial of service, or\n possibly execute arbitrary code. (CVE-2020-10878)\n\n Sergey Aleynikov discovered that Perl incorrectly handled certain regular\n expressions. In environments where untrusted regular expressions are\n evaluated, a remote attacker could possibly use this issue to cause Perl to\n crash, resulting in a denial of service, or possibly execute arbitrary\n code. (CVE-2020-12723)\n","modified":"2026-04-22T10:09:24.031920Z","published":"2020-10-27T14:02:08Z","related":["UBUNTU-CVE-2020-10543","UBUNTU-CVE-2020-10878","UBUNTU-CVE-2020-12723"],"upstream":["CVE-2020-10543","CVE-2020-10878","CVE-2020-12723","UBUNTU-CVE-2020-10543","UBUNTU-CVE-2020-10878","UBUNTU-CVE-2020-12723"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4602-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10543"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10878"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12723"}],"affected":[{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/perl@5.18.2-2ubuntu1.7+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.7+esm3"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1","5.18.2-2ubuntu1.1","5.18.2-2ubuntu1.3","5.18.2-2ubuntu1.4","5.18.2-2ubuntu1.6","5.18.2-2ubuntu1.7"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"libcgi-fast-perl"},{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"libperl5.18"},{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"perl"},{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"perl-base"},{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"perl-debug"},{"binary_version":"5.18.2-2ubuntu1.7+esm3","binary_name":"perl-modules"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4602-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2020-10543","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2020-10878","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2020-12723","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":"Ubuntu","score":"low"}]}]}}}],"schema_version":"1.7.5"}