Apache HTTP Server 2.4.55-2.4.67 Mod_http2 Use-After-Free Exhausted Handles
CVE-2026-48913 Published on June 8, 2026
Apache HTTP Server: mod_http2 memory corruption when file handles exhausted
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.
Vulnerability Analysis
CVE-2026-48913 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Timeline
reported
fixed in 2.4.x by r1934882 12 days later.
2.4.68 released 5 days later.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-48913 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-48913
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Affected Versions
Apache Software Foundation Apache HTTP Server:- Version 2.4.55, <= 2.4.67 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.