CVE-2022-4900
Potential buffer overflow in php_cli_server_startup_workers
MEDIUM
5.5
CVSS Score
Published: November 2, 2023 at 03:01 PM UTC
Updated: June 17, 2026 at 05:22 AM UTC
4 products affected across 3 vendorsEnterprise LinuxPHPSoftware Collections
Using php by N/A?
Get instant alerts when new vulnerabilities affect php - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 8.0.22
Affected range stops below 8.0.22, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 6 (unknown)
Vendor states this is fixed in 7 (unknown)
60%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
VDB Entryx_refsource_REDHATVendor Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2022-4900Issue Trackingx_refsource_REDHAT
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2179880Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20231130-0008/Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/10/msg00011.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119CWE-787
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card