CVE-2019-11049

Name	CVE-2019-11049
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
php5	source	(unstable)	(not affected)
php7.0	source	(unstable)	(not affected)
php7.3	source	(unstable)	(not affected)

Notes

- php7.3 <not-affected> (Windows specific issue)
- php7.0 <not-affected> (Windows specific issue)
- php5 <not-affected> (Windows specific issue)
Fixed in PHP 7.4.1, 7.3.13
PHP Bug: https://bugs.php.net/78943