CVE-2018-19395

Name: CVE-2018-19395
Creator: NVD / NIST
Published: 2018-11-20T21:29:01.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.33%

Last modified Jun 17, 2026

CVE-2018-19395 is a vulnerability of currently unknown severity. ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").. EPSS estimates a 4.33% chance of exploitation in the next 30 days.

Description

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").

Metrics

EPSS Probability

4.33%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Php	Php	>= 5.0.0, <= 7.1.24

References

http://www.securityfocus.com/bid/105989Third Party Advisory, VDB Entry
https://bugs.php.net/bug.php?id=77177Exploit, Issue Tracking, Mailing List, Vendor Advisory
https://security.netapp.com/advisory/ntap-20181221-0005/Third Party Advisory
http://www.securityfocus.com/bid/105989Third Party Advisory, VDB Entry
https://bugs.php.net/bug.php?id=77177Exploit, Issue Tracking, Mailing List, Vendor Advisory
https://security.netapp.com/advisory/ntap-20181221-0005/Third Party Advisory

Timeline

Published: Nov 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19395?

How severe is CVE-2018-19395?

Severity scoring for CVE-2018-19395 is pending analysis. The EPSS model estimates a 4.33% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19395?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19395?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST