CVE-2022-25236 Other in n/a

Critical 9.8 Published Updated

Attackers can insert namespace-separator characters into namespace URIs in libexpat, potentially causing parsing errors or unexpected behavior.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-25236?

CVE-2022-25236 is a critical vulnerability in Debian Debian Linux, published on 16 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

Weakness: CWE-668

Which versions are affected by CVE-2022-25236?

It affects 5 products.

Linux distribution packages (40)
expat SUSE:Enterprise Storage 6All versions2.2.5-3.19.1
expat SUSE:Enterprise Storage 7All versions2.2.5-3.19.1
expat SUSE:HPE Helion OpenStack 8All versions2.1.0-21.22.1
expat SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise High Performance Computing 15-ESPOSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise High Performance Computing 15-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Micro 5.0All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Micro 5.1All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Micro 5.2All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Module for Basesystem 15 SP3All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Point of Sale 11 SP3All versions2.0.1-88.42.22.1
expat SUSE:Linux Enterprise Real Time 15 SP2All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server 11 SP4-LTSSAll versions2.0.1-88.42.22.1
expat SUSE:Linux Enterprise Server 12 SP2-BCLAll versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server 12 SP3-BCLAll versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server 12 SP4-LTSSAll versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server 12 SP5All versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server 15 SP1-BCLAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server 15 SP1-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server 15 SP2-BCLAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server 15 SP2-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server 15-LTSSAll versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server for SAP Applications 12 SP4All versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions2.1.0-21.22.1
expat SUSE:Linux Enterprise Server for SAP Applications 15All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server for SAP Applications 15 SP1All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Server for SAP Applications 15 SP2All versions2.2.5-3.19.1
expat SUSE:Linux Enterprise Software Development Kit 12 SP5All versions2.1.0-21.22.1
expat SUSE:Manager Proxy 4.1All versions2.2.5-3.19.1
expat SUSE:Manager Retail Branch Server 4.1All versions2.2.5-3.19.1
expat SUSE:Manager Server 4.1All versions2.2.5-3.19.1
expat SUSE:OpenStack Cloud 8All versions2.1.0-21.22.1
expat SUSE:OpenStack Cloud 9All versions2.1.0-21.22.1
expat SUSE:OpenStack Cloud Crowbar 8All versions2.1.0-21.22.1
expat SUSE:OpenStack Cloud Crowbar 9All versions2.1.0-21.22.1

Products include Debian Debian Linux, Libexpat Project Libexpat, Oracle Http Server, Oracle Zfs Storage Appliance Kit, Siemens Sinema Remote Connect Server.

How do I fix CVE-2022-25236?

Upgrade to a fixed version.

Is CVE-2022-25236 being exploited?

There is no known exploitation of CVE-2022-25236 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2022-25236, AZL-8604, CLEANSTART-2026-AU70614, DEBIAN-CVE-2022-25236, GHSA-3c6c-gjpg-qq92, JLSEC-2025-53 and 6 more.

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