{"id":"UBUNTU-CVE-2024-2757","details":"In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.","modified":"2026-04-22T14:49:15.570974Z","published":"2024-04-29T04:15:00Z","upstream":["CVE-2024-2757"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-2757"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-2757"},{"type":"REPORT","url":"https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq"}],"affected":[{"package":{"name":"php8.3","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/php8.3@8.3.6-0maysync1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.3.6-0maysync1"}]}],"versions":["8.3.0-1","8.3.0-1ubuntu1","8.3.4-1","8.3.4-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libapache2-mod-php8.3","binary_version":"8.3.6-0maysync1"},{"binary_name":"libphp8.3-embed","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-bcmath","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-bz2","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-cgi"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-cli"},{"binary_name":"php8.3-common","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-curl"},{"binary_name":"php8.3-dba","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-enchant"},{"binary_name":"php8.3-fpm","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-gd","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-gmp","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-imap"},{"binary_name":"php8.3-interbase","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-intl","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-ldap","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-mbstring","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-mysql","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-odbc","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-opcache"},{"binary_name":"php8.3-pgsql","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-phpdbg","binary_version":"8.3.6-0maysync1"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-pspell"},{"binary_version":"8.3.6-0maysync1","binary_name":"php8.3-readline"},{"binary_name":"php8.3-snmp","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-soap","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-sqlite3","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-sybase","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-tidy","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-xml","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-xsl","binary_version":"8.3.6-0maysync1"},{"binary_name":"php8.3-zip","binary_version":"8.3.6-0maysync1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-2757.json"}}],"schema_version":"1.7.5","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":"medium"}]}