Late Memory Release Vulnerability in Apache HTTP Server
CVE-2025-53020

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
10 July 2025

What is CVE-2025-53020?

The Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server signifies a flaw that can lead to potential memory management issues. Affected versions ranging from 2.4.17 to 2.4.63 may not properly release memory after its intended use, possibly allowing for resource exhaustion. To mitigate this vulnerability, users are advised to upgrade to version 2.4.64, which addresses the issue effectively. For further details and best practices, refer to the vendor's advisory on securing their web server.

Affected Version(s)

Apache HTTP Server 2.4.17 <= 2.4.63

References

https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gal Bar Nahum
.
CVE-2025-53020 : Late Memory Release Vulnerability in Apache HTTP Server