Bug 2395108 (CVE-2025-59375)

Summary: CVE-2025-59375 expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: csutherl, gotiwari, jclere, jgrulich, jhorak, mvyas, pjindal, plodge, smalloy, szappis, tpopela, vchlup
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A memory amplification vulnerability in libexpat allows attackers to trigger excessive dynamic memory allocations by submitting specially crafted XML input. A small input (~250 KiB) can cause the parser to allocate hundreds of megabytes, leading to denial-of-service (DoS) through memory exhaustion.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2395119, 2395120, 2395121, 2395122, 2395123    
Bug Blocks:    

Description OSIDB Bzimport 2025-09-15 03:01:24 UTC
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

Comment 3 errata-xmlrpc 2025-10-27 17:46:35 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Core Services 2.4.62.SP2

Via RHSA-2025:19020 https://access.redhat.com/errata/RHSA-2025:19020

Comment 4 errata-xmlrpc 2025-11-03 01:42:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:19403 https://access.redhat.com/errata/RHSA-2025:19403

Comment 5 errata-xmlrpc 2025-11-11 19:48:03 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:21030 https://access.redhat.com/errata/RHSA-2025:21030

Comment 6 errata-xmlrpc 2025-11-19 19:54:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2025:21773 https://access.redhat.com/errata/RHSA-2025:21773

Comment 7 errata-xmlrpc 2025-11-19 22:01:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:21776 https://access.redhat.com/errata/RHSA-2025:21776

Comment 8 errata-xmlrpc 2025-11-24 16:14:28 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:21974 https://access.redhat.com/errata/RHSA-2025:21974

Comment 9 errata-xmlrpc 2025-11-25 07:12:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:22035 https://access.redhat.com/errata/RHSA-2025:22035

Comment 10 errata-xmlrpc 2025-11-25 07:27:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:22034 https://access.redhat.com/errata/RHSA-2025:22034

Comment 11 errata-xmlrpc 2025-11-25 07:50:17 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:22033 https://access.redhat.com/errata/RHSA-2025:22033

Comment 12 errata-xmlrpc 2025-11-26 10:47:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:22175 https://access.redhat.com/errata/RHSA-2025:22175

Comment 13 errata-xmlrpc 2025-12-02 14:16:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2025:22607 https://access.redhat.com/errata/RHSA-2025:22607

Comment 14 errata-xmlrpc 2025-12-04 23:08:27 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2025:22785 https://access.redhat.com/errata/RHSA-2025:22785

Comment 16 errata-xmlrpc 2025-12-08 11:32:40 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2025:22842 https://access.redhat.com/errata/RHSA-2025:22842

Comment 17 errata-xmlrpc 2025-12-08 20:28:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:22871 https://access.redhat.com/errata/RHSA-2025:22871

Comment 19 errata-xmlrpc 2026-01-05 00:47:40 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:0001 https://access.redhat.com/errata/RHSA-2026:0001

Comment 20 errata-xmlrpc 2026-01-05 17:38:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:0078 https://access.redhat.com/errata/RHSA-2026:0078

Comment 21 errata-xmlrpc 2026-01-05 17:56:33 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:0076 https://access.redhat.com/errata/RHSA-2026:0076

Comment 22 errata-xmlrpc 2026-01-05 18:04:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:0077 https://access.redhat.com/errata/RHSA-2026:0077

Comment 26 errata-xmlrpc 2026-01-14 13:24:16 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.20

Via RHSA-2026:0420 https://access.redhat.com/errata/RHSA-2026:0420

Comment 27 errata-xmlrpc 2026-01-15 05:11:13 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.12

Via RHSA-2026:0316 https://access.redhat.com/errata/RHSA-2026:0316

Comment 28 errata-xmlrpc 2026-01-15 18:46:20 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.16

Via RHSA-2026:0326 https://access.redhat.com/errata/RHSA-2026:0326

Comment 29 errata-xmlrpc 2026-01-15 18:55:02 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:0332 https://access.redhat.com/errata/RHSA-2026:0332