CRITICAL

CVE-2023-3824

CVSS v3

9.8

CRITICAL

EPSS Score

32.7%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

Technical details

Published
8/11/2023

Frequently asked questions

What is CVE-2023-3824?

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

Is CVE-2023-3824 actively exploited?

Active exploitation of CVE-2023-3824 has not been confirmed. The EPSS score is 32.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-3824?

CVE-2023-3824 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-3824 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.