PT-2025-29120 · Apache+8 · Apache Http Server+8

Gal Bar Nahum · CVE-2025-53020 · Published 2025-07-10 · Updated 2026-06-29

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.17 through 2.4.63

Description: A late release of memory after effective lifetime issue exists in Apache HTTP Server.

Recommendations: Upgrade to version 2.4.64.

Exploit

Fix

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2026:22140

ALSA-2026:22528

ALSA-2026:22551

ALT-PU-2025-9538

ALT-PU-2025-9924

AZL-65094

AZL-65109

BDU:2025-08955

BIT-APACHE-2025-53020

CVE-2025-53020

DLA-4270-1

MGASA-2025-0301

OPENSUSE-SU-2025:15360-1

OPENSUSE-SU-2026:20810-1

RHSA-2026:22140

RHSA-2026:22528

RHSA-2026:22551

RHSA-2026:27200

RHSA-2026:36373

RHSA-2026:36831

RHSA-2026:36846

SUSE-SU-2025:02565-1

SUSE-SU-2025:02682-1

SUSE-SU-2025:02683-1

SUSE-SU-2025:02684-1

SUSE-SU-2025:02685-1

SUSE-SU-2025_02565-1

SUSE-SU-2025_02682-1

SUSE-SU-2025_02683-1

SUSE-SU-2025_02684-1

SUSE-SU-2025_02685-1

SUSE-SU-2026:21846-1

SUSE-SU-2026:2686-1

USN-7639-1

USN-7639-2

Affected Products

Alt Linux

Apache Http Server

Astra Linux

Debian

Linuxmint

Red Os

Rocky Linux

Suse

Ubuntu

References · 209

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53020.json · Exploit
• https://errata.rockylinux.org/RLSA-2026:22140 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-43204 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-42516 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1020SE47 · Vendor Advisory
• https://httpd.apache.org/security/vulnerabilities_24.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-49630 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-53020 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-1113SE18 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7639-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08955 · Security Note
• https://ubuntu.com/security/CVE-2025-53020 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02684-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2025-53020 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0923SE17 · Vendor Advisory