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.
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka 'Windows GDI Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0977, CVE-2019-1009, CVE-2019-1010, CVE-2019-1011, CVE-2019-1012, CVE-2019-1013, CVE-2019-1015, CVE-2019-1016, CVE-2019-1046, CVE-2019-1047, CVE-2019-1048, CVE-2019-1049, CVE-2019-1050.
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka 'Windows GDI Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0968, CVE-2019-1009, CVE-2019-1010, CVE-2019-1011, CVE-2019-1012, CVE-2019-1013, CVE-2019-1015, CVE-2019-1016, CVE-2019-1046, CVE-2019-1047, CVE-2019-1048, CVE-2019-1049, CVE-2019-1050.
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka 'Windows GDI Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0968, CVE-2019-0977, CVE-2019-1010, CVE-2019-1011, CVE-2019-1012, CVE-2019-1013, CVE-2019-1015, CVE-2019-1016, CVE-2019-1046, CVE-2019-1047, CVE-2019-1048, CVE-2019-1049, CVE-2019-1050.