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CVE-2019-11049

Date: December 22, 2019

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.

Language: PHP

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2019-11049
https://seclists.org/bugtraq/2020/Feb/27
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/
https://www.debian.org/security/2020/dsa-4626
https://www.tenable.com/security/tns-2021-14
https://bugs.php.net/bug.php?id=78943
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/
https://security.netapp.com/advisory/ntap-20200103-0002/
https://www.mend.io/vulnerability-database/CVE-2019-11049

Severity Score

Weakness Type (CWE)

Double Free

CWE-415

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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