Medium severity6.5NVD Advisory· Published Dec 23, 2019· Updated Jun 17, 2026
CVE-2019-11049
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.
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Affected products
2Patches
Vulnerability mechanics
References
7- bugs.php.net/bug.phpnvdMailing ListPatchVendor Advisory
- seclists.org/bugtraq/2020/Feb/27nvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20200103-0002/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4626nvdThird Party Advisory
- www.tenable.com/security/tns-2021-14nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/nvd
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