CVE-2026-48913

Apache HTTP Server: mod_http2 memory corruption when file handles exhausted

Published Jun 8, 2026 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.

This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4629-1 apache2 security update
Ubuntu USN Ubuntu USN USN-8516-1 Apache HTTP Server vulnerabilities
Ubuntu USN Ubuntu USN USN-8571-1 Apache HTTP Server vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache http Server
Vendors & Products Apache
Apache http Server
Type Values Removed Values Added
Description Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
Title Apache HTTP Server: mod_http2 memory corruption when file handles exhausted
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jun 8, 2026, 10:32 PM
Reserved
May 26, 2026, 12:46 PM
Status
Analyzed
Published
Jun 8, 2026, 4:16 PM
Modified
Jul 23, 2026, 7:10 AM