{"id":"CVE-2019-11049","details":"In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.","modified":"2026-04-16T00:10:06.383796953Z","published":"2019-12-23T03:15:11.897Z","database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:a:tenable:securitycenter:*:*:*:*:*:*:*:*","extracted_events":[{"fixed":"5.19.0"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"10.0"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"30"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"31"}],"source":"CPE_FIELD"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2020/Feb/27"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200103-0002/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4626"},{"type":"ADVISORY","url":"https://www.tenable.com/security/tns-2021-14"},{"type":"FIX","url":"https://bugs.php.net/bug.php?id=78943"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/php/php-src","events":[{"introduced":"52ace952a1b65ca80fc2617f11c2fa6dd03f51bd"},{"last_affected":"a1457cf8b8b82516bf9561eb43972b63074fa9ae"},{"introduced":"0"},{"last_affected":"3c7824e16ec4c3cee417262445d2c2b66531c10f"}],"database_specific":{"cpe":["cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","cpe:2.3:a:php:php:7.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.3.0"},{"last_affected":"7.3.13"},{"introduced":"0"},{"last_affected":"7.4.0"}],"source":"CPE_FIELD"}}],"versions":["POST_64BIT_BRANCH_MERGE","POST_AST_MERGE","POST_PHP7_NSAPI_REMOVAL","POST_PHP7_REMOVALS","POST_PHPNG_MERGE","PRE_64BIT_BRANCH_MERGE","PRE_AST_MERGE","PRE_PHP7_EREG_MYSQL_REMOVALS","PRE_PHP7_NSAPI_REMOVAL","PRE_PHP7_REMOVALS","php-7.3.13","php-7.3.13RC1","php-7.4.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-11049.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:H/I:H/A:H"}]}