CVE-2026-48913
Analyzed Analyzed - Analysis Complete

Use After Free in Apache HTTP Server mod_http2

Publication date: 2026-06-08

Last updated on: 2026-06-10

Assigner: Apache Software Foundation

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-06-08
Last Modified
2026-06-10
Generated
2026-06-29
AI Q&A
2026-06-08
EPSS Evaluated
2026-06-27
NVD
CVE-2026-48913
EUVD
EUVD-2026-35101

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
apache http_server From 2.4.55 (inc) to 2.4.68 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a Use After Free issue in the Apache HTTP Server module mod_http2. It occurs when file handles are already exhausted, potentially leading to improper handling of memory.

Impact Analysis

Exploitation of this vulnerability could lead to unexpected behavior in the Apache HTTP Server, such as crashes or potential execution of arbitrary code, due to the Use After Free condition when file handles are exhausted.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade your Apache HTTP Server to version 2.4.68 or later, where the issue has been fixed.

The vulnerability affects versions from 2.4.55 through 2.4.67, so applying the update will address the Use After Free issue in the mod_http2 module.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-48913. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart