Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.

This issue affects Apache HTTP Server: 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

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Fixes

Solution

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Workaround

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History

Mon, 04 May 2026 20:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:apache:http_server:2.4.66:*:*:*:*:*:*:*

Mon, 04 May 2026 18:30:00 +0000

Type Values Removed Values Added
References

Mon, 04 May 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache http Server
Vendors & Products Apache
Apache http Server

Mon, 04 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 04 May 2026 15:00:00 +0000

Type Values Removed Values Added
Description Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Title Apache HTTP Server: http2: double free and possible RCE on early reset
Weaknesses CWE-415
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-05-04T17:32:35.852Z

Reserved: 2026-01-19T13:00:21.720Z

Link: CVE-2026-23918

cve-icon Vulnrichment

Updated: 2026-05-04T17:32:35.852Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-04T15:16:03.583

Modified: 2026-05-04T20:24:58.200

Link: CVE-2026-23918

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T18:00:05Z

Weaknesses