cbcvebase.
CVE-2025-53020
published 2025-07-10

CVE-2025-53020: 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…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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.

Affected

8 ranges
VendorProductVersion rangeFixed in
apachehttp_server>= 2.4.17 < 2.4.642.4.64
apachehttpd
apache_software_foundationapache_http_server2.4.17 – 2.4.63
debianapache2< apache2 2.4.65-1~deb12u1 (bookworm)apache2 2.4.65-1~deb12u1 (bookworm)
msrcazl3_httpd_2.4.62-1_on_azure_linux_3.0
msrcazl3_httpd_2.4.64-1_on_azure_linux_3.0
msrccbl2_httpd_2.4.62-1_on_cbl_mariner_2.0
msrccbl2_httpd_2.4.64-1_on_cbl_mariner_2.0

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH