#VU17446 Memory leak in PHP

Vulnerability identifier: #VU17446

Vulnerability risk: Low

CVSSv4.0: 7.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information or cause DoS condition on the target system.

The weakness exists due to unbuffered queries memory leak. A remote attacker can gain access to arbitrary data or cause the service to crash.

Mitigation
Update to version 7.3.2.

Vulnerable software versions

PHP: 7.3.0alpha1 - 7.3.1

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External links
https://bugs.php.net/bug.php?id=77308

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.