Vulnerability-Lookup

CVE-2024-36387 (GCVE-0-2024-36387)

Vulnerability from cvelistv5 – Published: 2024-07-01 18:10 – Updated: 2025-02-13 17:52

Title

Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2

Summary

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-22 16:22 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

apache mitre root

References

3 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
https://security.netapp.com/advisory/ntap-2024071…
http://www.openwall.com/lists/oss-security/2024/07/01/4

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.55 , ≤ 2.4.59 (semver)	guessed

Credits

Marc Stern (<marc.stern@approach-cyber.com>)

Show details on NVD website

JSON

To clipboard

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MSRC_CVE-2024-36387

Vulnerability from csaf_microsoft - Published: 2024-07-01 07:00 - Updated: 2026-02-18 01:14

Summary

Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2

Scope

1 vulnerability in this advisory, including CVE-2024-36387.

CVE-2024-36387

5.4 (Medium)


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

Fixed: 5 products Known affected: 5 products

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

NCSC-2024-0275

Vulnerability from csaf_ncscnl - Published: 2024-07-02 11:44 - Updated: 2024-07-02 11:44

Summary

Kwetsbaarheden verholpen in Apache HHTP-server

Scope

8 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

Known affected: 38 products

Open the full advisory

NCSC-2024-0411

Vulnerability from csaf_ncscnl - Published: 2024-10-17 13:15 - Updated: 2024-10-17 13:15

Summary

Kwetsbaarheden verholpen in Oracle Database producten

Scope

104 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

7.5 (High)


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

Known affected: 2 products

Open the full advisory

OPENSUSE-SU-2024:14116-1

Vulnerability from csaf_opensuse - Published: 2024-07-09 00:00 - Updated: 2024-07-09 00:00

Summary

apache2-2.4.61-1.1 on GA media

Severity

Moderate

Scope

9 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

5.9 (Medium)


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

Recommended: 4 products

Open the full advisory

RHSA-2024:8680

Vulnerability from csaf_redhat - Published: 2024-10-31 00:08 - Updated: 2026-09-16 18:17

Summary

Red Hat Security Advisory: mod_http2 security update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2024-36387.

CVE-2024-36387

A flaw was found in the Apache HTTP Server. Serving WebSocket protocol upgrades over an HTTP/2 connection could result in a NULL pointer dereference, leading to a crash of the server process.

3.7 (Low)


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

Fixed: 13 products

https://access.redhat.com/errata/RHSA-2024:8680

Open the full advisory

RHSA-2024_8680

Vulnerability from csaf_redhat - Published: 2024-10-31 00:08 - Updated: 2024-11-25 02:51

Summary

Red Hat Security Advisory: mod_http2 security update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2024-36387.

CVE-2024-36387

A flaw was found in the Apache HTTP Server. Serving WebSocket protocol upgrades over an HTTP/2 connection could result in a NULL pointer dereference, leading to a crash of the server process.

3.7 (Low)


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

Fixed: 13 products

https://access.redhat.com/errata/RHSA-2024:8680

Open the full advisory

RHSA-2025:3452

Vulnerability from csaf_redhat - Published: 2025-04-02 17:15 - Updated: 2026-09-16 18:17

Summary

Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 security update

Severity

Low

Scope

3 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

A flaw was found in the Apache HTTP Server. Serving WebSocket protocol upgrades over an HTTP/2 connection could result in a NULL pointer dereference, leading to a crash of the server process.

3.7 (Low)


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

Fixed: 6 products Known not affected: 118 products

https://access.redhat.com/errata/RHSA-2025:3452

Open the full advisory

RHSA-2025:3453

Vulnerability from csaf_redhat - Published: 2025-04-02 17:06 - Updated: 2026-09-11 09:25

Summary

Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 security update

Severity

Important

Scope

7 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

A flaw was found in the Apache HTTP Server. Serving WebSocket protocol upgrades over an HTTP/2 connection could result in a NULL pointer dereference, leading to a crash of the server process.

3.7 (Low)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2025:3453

Open the full advisory

SUSE-SU-2024:2597-1

Vulnerability from csaf_suse - Published: 2024-07-23 07:04 - Updated: 2024-07-23 07:04

Summary

Security update for apache2

Severity

Important

Scope

3 vulnerabilities in this advisory, including CVE-2024-36387.

CVE-2024-36387

5.9 (Medium)


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

Recommended: 49 products

Open the full advisory

ubuntu-cve-2024-36387

Vulnerability from osv_ubuntu

Published

2024-07-01 19:15

Modified

2026-04-22 07:49

Summary

Details

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.

Severity

5.4 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-36387	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-36387	REPORT
	https://httpd.apache.org/security/vulnerabilities…	REPORT
	https://httpd.apache.org/security/vulnerabilities…	REPORT
	https://ubuntu.com/security/notices/USN-6885-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.41-4ubuntu3.19"
          },
          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.41-4ubuntu3.19"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.19?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.41-4ubuntu3.19"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.41-1ubuntu1",
        "2.4.41-4ubuntu1",
        "2.4.41-4ubuntu2",
        "2.4.41-4ubuntu3",
        "2.4.41-4ubuntu3.1",
        "2.4.41-4ubuntu3.3",
        "2.4.41-4ubuntu3.4",
        "2.4.41-4ubuntu3.5",
        "2.4.41-4ubuntu3.6",
        "2.4.41-4ubuntu3.7",
        "2.4.41-4ubuntu3.8",
        "2.4.41-4ubuntu3.9",
        "2.4.41-4ubuntu3.10",
        "2.4.41-4ubuntu3.11",
        "2.4.41-4ubuntu3.12",
        "2.4.41-4ubuntu3.13",
        "2.4.41-4ubuntu3.14",
        "2.4.41-4ubuntu3.15",
        "2.4.41-4ubuntu3.16",
        "2.4.41-4ubuntu3.17"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.52-1ubuntu4.10"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.52-1ubuntu4.10"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.52-1ubuntu4.10"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.52-1ubuntu4.10"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.52-1ubuntu4.10"
          },
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            "binary_name": "apache2-utils",
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          },
          {
            "binary_name": "libapache2-mod-md",
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          },
          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
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      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.10?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.52-1ubuntu4.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.48-3.1ubuntu3",
        "2.4.48-3.1ubuntu4",
        "2.4.51-2ubuntu1",
        "2.4.52-1ubuntu1",
        "2.4.52-1ubuntu2",
        "2.4.52-1ubuntu4",
        "2.4.52-1ubuntu4.1",
        "2.4.52-1ubuntu4.2",
        "2.4.52-1ubuntu4.3",
        "2.4.52-1ubuntu4.4",
        "2.4.52-1ubuntu4.5",
        "2.4.52-1ubuntu4.6",
        "2.4.52-1ubuntu4.7",
        "2.4.52-1ubuntu4.8",
        "2.4.52-1ubuntu4.9"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.58-1ubuntu8.2"
          },
          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.58-1ubuntu8.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.58-1ubuntu8.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.57-2ubuntu2",
        "2.4.57-2ubuntu3",
        "2.4.58-1ubuntu1",
        "2.4.58-1ubuntu2",
        "2.4.58-1ubuntu6",
        "2.4.58-1ubuntu7",
        "2.4.58-1ubuntu8",
        "2.4.58-1ubuntu8.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.",
  "id": "UBUNTU-CVE-2024-36387",
  "modified": "2026-04-22T07:49:11Z",
  "published": "2024-07-01T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-36387"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-36387"
    },
    {
      "type": "REPORT",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-36387"
    },
    {
      "type": "REPORT",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6885-1"
    }
  ],
  "related": [
    "USN-6885-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-36387"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-36387 (GCVE-0-2024-36387)

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour