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CVE-2022-4900

Date: November 2, 2023

A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.

Language: C

Severity Score

6.2

Related Resources (8)

Url: https://security.netapp.com/advisory/ntap-20231130-0008/

Url: https://github.com/php/php-src/commit/789a37f14405e2d1a05a76c9fb4ed2d49d4580d5

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-4900

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-4900

Url: https://access.redhat.com/security/cve/CVE-2022-4900

Url: https://security-tracker.debian.org/tracker/CVE-2022-4900

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2179880

Url: https://www.mend.io/vulnerability-database/CVE-2022-4900

Severity Score

6.2

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	6.2
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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