A AegiFlow
MEDIUMCVSS 6.5

CVE-2019-11049

CVE-2019-11049 updated by NVD

Modified
2026-09-20
Sources
nvd

Summary

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.

Affected packages

EcosystemPackageAffected versionsFixed versions
PHPphp[object Object], [object Object]

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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