PT-2025-28238 · Apache+10 · Apache Tomcat+11

12Sqwer + 3 · Published 2025-01-01 · Updated 2026-05-18 · CVE-2025-52434

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 Tomcat versions 9.0.0.M1 through 9.0.106

Description: A race condition exists due to concurrent execution using a shared resource with improper synchronization when using the APR/Native connector. This issue is particularly noticeable with client-initiated closes of HTTP/2 connections.

Recommendations: Upgrade to version 9.0.107 to resolve the issue.

Fix

DoS

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALSA-2025:14177

ALSA-2025:14178

ALSA-2025:14181

ALT-PU-2025-13135

BDU:2025-08954

BIT-TOMCAT-2025-52434

CESA-2025_14177

CVE-2025-52434

DLA-4244-1

GHSA-4J3C-42XV-3F84

INFSA-2025_14177

INFSA-2025_14181

MGASA-2025-0223

OESA-2025-1892

OESA-2025-1893

OESA-2025-1894

OESA-2025-1895

OESA-2025-1896

OESA-2025-1897

OPENSUSE-SU-2025:15440-1

RHSA-2025:11695

RHSA-2025:14177

RHSA-2025:14178

RHSA-2025:14180

RHSA-2025:14181

RHSA-2025:14182

RHSA-2025:14183

RHSA-2025_14177

RHSA-2025_14181

SUSE-SU-2025:03024-1

SUSE-SU-2025_03024-1

SUSE-SU-2026:1058-1

Affected Products

Alt Linux

Almalinux

Apache Tomcat

Astra Linux

Bamboo

Bitbucket

Centos

Debian

Red Hat

Red Os

Rocky Linux

Suse

References · 137

• https://errata.rockylinux.org/RLSA-2025:14181 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-52434 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52434 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:1058-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4244-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-52434 · Security Note
• https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030 · Vendor Advisory
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2025:14178 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2025-14181.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2025:14181 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-1894 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2025-14177.html · Vendor Advisory
• https://osv.dev/vulnerability/BIT-tomcat-2025-52434 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-1893 · Vendor Advisory