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CVE-2022-4900

Potential buffer overflow in php_cli_server_startup_workers

Published: Nov 2, 2023Updated: Nov 3, 2025 Sources: CVE List NVD BDU csafCWE-119
NVD MITRE
6.2CVSSMEDIUM
EPSS Score
0.4%
Top 71.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-119CWE-787

Affected Products

phpphp
Dev Tool
OSS Libraries / generic-library
software collectionsredhat
On-prem
DevTools & CI / build-test-tools
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
Suse Linux Enterprise DesktopNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
phposs-projectUSOSS Librariesaka php language, pecl, pear
redhatcommercialUSOperating Systemsaka red hat
novell inc.commercialUSOperating Systems
and 13 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2022-4900
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2179880
bugzilla.redhat.com
https://security.netapp.com/advisory/ntap-20231130-0008/
security.netapp.com
and 458 more references View all →

Timeline

Published
Nov 2, 2023
Last Updated
Nov 3, 2025

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