Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-08-11 13:53

Modified

2025-11-06 13:25

Summary

Potential buffer overflow in php_cli_server_startup_workers

Details

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.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "8.0.22"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-4900"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-libphp-2022-4900",
  "modified": "2025-11-06T13:25:46.476Z",
  "published": "2025-08-11T13:53:48.387Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2022-4900"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2179880"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-4900"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231130-0008/"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00011.html"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Potential buffer overflow in php_cli_server_startup_workers"
}

CVE-2022-4900 (GCVE-0-2022-4900)

Vulnerability from cvelistv5 – Published: 2023-11-02 15:01 – Updated: 2025-11-03 21:46

Title

Potential buffer overflow in php_cli_server_startup_workers

Summary

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.

Severity ?

6.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

redhat

References

URL

Tags

	https://access.redhat.com/security/cve/CVE-2022-4900	vdb-entryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2179880	issue-trackingx_refsource_REDHAT
	https://security.netapp.com/advisory/ntap-2023113…

Impacted products

Vendor

Product

Version

n/a

php

Unaffected: 8.0.22

Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Software Collections	cpe:/a:redhat:rhel_software_collections:3
Fedora	Fedora

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2025-11-03T21:46:48.606Z",
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              "x_refsource_REDHAT",
              "x_transferred"
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          },
          {
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              "x_refsource_REDHAT",
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            ],
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          },
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            ],
            "url": "https://security.netapp.com/advisory/ntap-20231130-0008/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00011.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "php",
          "vendor": "n/a",
          "versions": [
            {
              "status": "unaffected",
              "version": "8.0.22"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
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          "packageName": "php",
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        },
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unknown",
          "packageName": "php",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8"
          ],
          "defaultStatus": "affected",
          "packageName": "php:7.4/php",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        },
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          "cpes": [
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          "packageName": "php:8.0/php",
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          "packageName": "php",
          "product": "Red Hat Enterprise Linux 9",
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        },
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          "cpes": [
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          ],
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          "packageName": "rh-php73-php",
          "product": "Red Hat Software Collections",
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        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
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          "packageName": "php",
          "product": "Fedora",
          "vendor": "Fedora"
        }
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      ],
      "metrics": [
        {
          "other": {
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              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Low"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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              "lang": "en",
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      "providerMetadata": {
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      "references": [
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        },
        {
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            "x_refsource_REDHAT"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2179880"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20231130-0008/"
        }
      ],
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          "time": "2023-01-31T00:00:00+00:00",
          "value": "Reported to Red Hat."
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          "lang": "en",
          "time": "2022-07-13T00:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Potential buffer overflow in php_cli_server_startup_workers",
      "x_redhatCweChain": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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    "datePublished": "2023-11-02T15:01:28.590Z",
    "dateReserved": "2023-01-31T10:50:33.011Z",
    "dateUpdated": "2025-11-03T21:46:48.606Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2022-4900 (GCVE-0-2022-4900)

Tags

Sightings

Nomenclature