Buffer overflow in Php
CVE-2022-4900
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Php
- Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Software Collections
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- Redhat Software_collections
- N/a Php — versions 8.0.22
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking)
- secalert@redhat.com (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-4900?
- CVE-2022-4900 is a medium-severity vulnerability in Php, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.2/10. Published 2023-11-02.
- How severe is CVE-2022-4900?
- Medium severity. CVSS v3 base score is 6.2 out of 10.