| Name | CVE-2025-53020 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4270-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| apache2 (PTS) | bullseye | 2.4.62-1~deb11u1 | vulnerable |
| bullseye (security) | 2.4.65-1~deb11u1 | fixed |
| bookworm | 2.4.65-1~deb12u1 | fixed |
| bookworm (security) | 2.4.62-1~deb12u2 | vulnerable |
| trixie | 2.4.65-2 | fixed |
| forky, sid | 2.4.65-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| apache2 | source | bullseye | 2.4.65-1~deb11u1 | | DLA-4270-1 | |
| apache2 | source | bookworm | 2.4.65-1~deb12u1 | | | |
| apache2 | source | (unstable) | 2.4.64-1 | | | |
Notes
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2025-53020
Fixed by: https://github.com/apache/httpd/commit/ef98f4f494ff2f99d736a3716cd31219688b46f5