MEDIUM · 6.5

CVE-2019-11049

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 i...

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH

Affected Products

VendorProductVersions
PhpPhp>= 7.3.0, <= 7.3.13
MicrosoftWindows-
FedoraprojectFedora30
DebianDebian Linux10.0
TenableSecuritycenter< 5.19.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-11049?

CVE-2019-11049 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 i...

How severe is CVE-2019-11049?

CVE-2019-11049 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-11049?

Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Microsoft Windows, Fedoraproject Fedora, Debian Debian Linux, Tenable Securitycenter.