CVE-2025-53020

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Source
https://cve.org/CVERecord?id=CVE-2025-53020
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-53020.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-53020
Aliases
Downstream
Related
Published
2025-07-10T16:59:06.340Z
Modified
2026-05-18T05:58:10.955847626Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Apache HTTP Server: HTTP/2 DoS by Memory Increase
Details

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63.

Users are recommended to upgrade to version 2.4.64, which fixes the issue.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.4.17"
                },
                {
                    "last_affected": "2.4.63"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53020.json",
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-401"
    ]
}
References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Introduced
47a9d8e8abf5697b4580c3ee2ade302b5c058fa6
Fixed
7e926454793abd7d71b6afc8bd1ec1648752c6ad
Database specific 
{
    "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "2.4.17"
        },
        {
            "fixed": "2.4.64"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-53020.json"