CVE-2024-9026

Description

In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is configured to catch workers output through catch_workers_output = yes, it may be possible to pollute the final log or remove up to 4 characters from the log messages by manipulating log message content. Additionally, if PHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.

How to fix CVE-2024-9026

To remediate CVE-2024-9026, upgrade the affected package to a fixed version below.

—upgrade to 8.1.30 or later
—upgrade to 8.1.30 or later
—upgrade to 8.1.30 or later
—upgrade to 7.4.33-1+deb11u6 or later
—upgrade to 8.2.24-1~deb12u1 or later

Is CVE-2024-9026 being exploited?

Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

from 0, < 8.1.30, >= 8.2.0, < 8.2.24, >= 8.3.0, < 8.3.12
from 0, < 8.1.30, >= 8.2.0, < 8.2.24, >= 8.3.0, < 8.3.12
from 0, < 8.1.30, >= 8.2.0, < 8.2.24, >= 8.3.0, < 8.3.12
from 0, < 7.4.33-1+deb11u6
from 0, < 8.2.24-1~deb12u1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	LOW3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N